regression analysis with dummy variables in sas

... the International AIDS Society Open Access Research Variables that influence HIV-1 cerebrospinal fluid viral load in cryptococcal meningitis: a linear regression analysis Diego M Cecchini* 1 , ... Hoepelman AI: Cytokine Profiles in Cerebros- pinal Fluid of Human Immunodeficiency Virus-Infected Patients with Cryptococcal Meningitis: No Leukocytosis despite High Interleukin-8 Levels. J Infect Dis ... replication in addition to pro- moting an inflammatory response in the CNS. However, in the clinical setting of our investigation, no correlation was found between CCPA titer and CSF HIV-1 viral load in...

Ngày tải lên: 20/06/2014, 08:20

Ngày tải lên: 26/11/2013, 13:31

Ngày tải lên: 20/12/2013, 18:16

... described as brevinin 1HS, esculentin 1S, esculentin 2S, odorranin C7HSa and odorranin PB. Antimicrobial activity of nigrocin-related peptides The minimum inhibitory concentrations obtained for each ... each peptide against both test organisms were assessed by incubating peptides in nutrient broth following inoculation with 50 lL of overnight standard cultures (containing 10 4 CFU) into 96-well ... feature of nigrocin-2 peptides is reminiscent of the glycine ⁄ leucine-rich dermaseptin orthologues from the skins of neotropical phyllomedusine leaf frogs, named plasticins [30]. Nigrocin-2 peptides...

Ngày tải lên: 15/03/2014, 10:20

... of fronto-parietal networks by incrementing demand in a work- ing memory task. Cereb Cortex 1997, 7:465-471. 35. Klingberg T: Limitations in information processing in the human brain: neuroimaging of dual task ... that occupying these areas with concurrent cognitive processing (dual-tasking) may result in a brain resource limitation that affects gait in people with MCI. Strengths of our study include the ... reliable under single and dual-task conditions. In line with previ- ous studies conducted in elderly with normal cognition, variability of time-related gait parameters increased while dual-tasking in our...

Ngày tải lên: 19/06/2014, 08:20

... index. In the current study, the aim was to take these clinical measures in combination in a single model to predict the EQ-5D index. In this case, disease severity was taken into account using ... angina, where a model mapping clini- cal measures on to the EQ-5D index explained 37% of the variability in the EQ-5D index and also performed poorly in individuals with EQ-5D index values of about ... the estimation dataset are described in Tables 5 and 6. There were 1106 records in the estimation data with non-miss- ing covariates in the final model. The variables in the base model - age, sex and...

Ngày tải lên: 20/06/2014, 16:20

... Electronics and Information Engineering, Beijing Jiaotong University, Beijing 100044, PR China 2 TEDA College, Nankai University, Tianjin 300457, PR China 3 School of Computer Engineering, Nanyang ... falls within C( O 2 ) is surely a one-hop neighbor of O 2 .Whenthatpartfallswithin A ( O 2 ) ,ithasa corresponding probability p l that it has a direct link with O 2 . Then P r (dS) can be determined ... fall within A ( O 2 ) .ThenwecanobtainP r (dS) by (3). ã If d-aR ≤ r<d+aR, dS will cover both C( O 2 ) and A ( O 2 ) . In this case, we can determine P r (dS) by (6). 2.2.3 O 1 falls within...

Ngày tải lên: 20/06/2014, 22:20

... distances. The remaining distance is the distance between a chosen next hop and a destination. Round-robin scheduling maintains per-flow queues. The flow can be iden- tified by a source and destination pair. ... priority index. output, priority index, is shown in the Figure 2. Here, the process is considered as multiple input and single output (MISO) system. The linguistic terms associated with the input ... formed. In ODMRP, as the num- ber of receivers increases, the number of forwarding group nodes increases; this in turn increases the connectivity. With these results, the fuzzy scheduler is inserted...

Ngày tải lên: 23/06/2014, 00:20

... varying α (second row). In the first row n = 9 is seen in solid line, n = 25 in dashes and n = 49 in dots. The second row depicts the situations α =−1 in solid line, α =−3 in dashes and α =−5 in ... G 0 A model, our main object of interest. Section 3 recalls the main algorithms in- volved in ML inference for the G 0 A model, with special em- phasis on their availability in the Ox platform. ... paper deals with numerical problems arising when performing maximum likelihood parameter estimation in speckled im- agery using small samples. The noise that appears in images obtained with coherent...

Ngày tải lên: 23/06/2014, 01:20

... (Wirtinger angles are constant along M) in the first case, which is very different from cases in Kăahler geometry. 1. Introduction and Main Theorem Wirtinger angles in contact geometry are something ... rearranging indices in the last term and using (2.10) again we see that this term is equal to n sin θ cos θ. Similarly  α,k B(∇ e k e α ,e α ),e 3n+k  = −n sin θ cos θ. Therefore (3.10) = 2 sin ... positive integer n, M is either an invariant or an anti-invariant submanifold of N if c>−3, and the common Wirtinger angle must be constant if c = −3. Moreover, without assuming it being closed,...

Ngày tải lên: 06/08/2014, 05:20

... scores, with the remain- ing 75% having scores greater than 1 (Table 1). No signif- icant differences were observed in body weight gain in treated mice during the study (data not shown), indicating that ... of diacerein in acute inflammatory models such as carrageenin, zymosan, and dextran induced paw edema, as well as in adjuvant induced arthritis in rats. In addition to its anti-inflammatory effects, ... pathology in the Tg197 transgenic murine model of RA, in which inflammatory polyarthritis is clinically detectable at 4 weeks of age, with swelling and deforma- tion of the ankle joints. Daily administration...

Ngày tải lên: 09/08/2014, 01:23

... 1–4, weak staining; 5–8, moderate staining; and 9–12, strong staining. For the purpose of statistical analysis, the cohort was grouped into tumors with negli- gible or weak staining (N = 34) ... associated with increased acute and long term morbidities [1,2]. Increasing effort has been directed toward developing molecular targeted therapies for the treatment of NPC with increasing interest in ... examples. A: Negative staining for COX-2 ì200. B: Weak staining for COX-2 ×200. C: Moderate staining for COX-2 ×200. D: Strong staining for COX-2 ì200. Publish with BioMed Central and every...

Ngày tải lên: 09/08/2014, 10:20

... 4 Meta -analysis examining adjuvant radiotherapy in DCIS for patients with breast cancer: ipsilateral invasive breast cancer recur- rence. Meta -analysis examining adjuvant radiotherapy in DCIS ... recur- rence. Meta -analysis examining adjuvant radiotherapy in DCIS for patients with breast cancer: ipsilateral invasive breast cancer recur-renceFigure 3 Meta -analysis examining adjuvant radiotherapy in DCIS ... local recurrence, invasive or intraductal. Histologically negative surgical margins were required in both groups, although inking of margins was not required, and a margin could be inter- preted...

Ngày tải lên: 09/08/2014, 10:21

... explored using logistic regression analysis – effects on risk being estimated by odds ratios (ORs) with 95% confidence intervals (CIs). Since women could have more than one pregnancy in the analysis, ... thus giv- ing a crude SLE prevalence of approximately 219 per 100,000 in females in Trinidad. Health services in Trinidad are mainly public sector with some private hospitals and clinics. Primary ... nonresponse in relation to obtain- ing the household listing or in relation to selecting suitable control individuals were documented. Crude socioeconomic data on status of nonresponders were compared with...

Ngày tải lên: 09/08/2014, 10:22

... sexually, with arthritis occurring within 4 weeks of an urogenital infection (Table 1). UA was defined as a monoarthritis or oligoarthritis occurring without evidence of a predisposing infection in ... USA), in accordance with the manufacturer's instructions. 16S rDNA- containing clones were grown in Nunc microtiter plates con- taining 150 μl of 2 × Luria-Bertani medium supplemented with 10% ... spondyloarthropathy, suggest- ing an infectious origin of this syndrome [37,38]. Our findings also suggest that this organism can access the joints. ReA-related genitourinary bacterial species, including chlamy- dial...

Ngày tải lên: 09/08/2014, 10:23

... [13], offspring with complete and incomplete marker information on paternal marker allele transmission were included in the analysis. Inclusion of offspring with incom- plete ... additive QTL in the marker interval when interference is complete and when there are no QTL in adjoining marker intervals (isolated QTL). Without complete interference, however, ... some bias is introduced. Whittaker et al. [13] showed that the information contained in the regression coefficients on flanking markers in F2 and back-cross designs is in fact...

Ngày tải lên: 09/08/2014, 18:21

... structure 383 In the 2 link sires design, 2 males per flock contributed to connectedness by between-flock mating, the other mating being within flocks. In the 1 link sire design, between-flock mating concerned ... et al. is intermediate between the previous two. Therefore, in this case, the within- family variance was computed by combining both within- and between-flock genetic variances according to the ... offspring stayed in their dam’s flock, so connections, when occurring, were only ensured by link sires. By and large, a part of the males and females were randomly mated within-flock (within-flock...

Ngày tải lên: 09/08/2014, 18:21

Ngày tải lên: 09/08/2014, 22:22

Ngày tải lên: 11/08/2014, 08:21

Ngày tải lên: 11/08/2014, 16:23