... with mainly back pain, those with leg pain were initially analyzed separately onthe three outco me variables. However, as no differenceswere found (p = 0.08 to 0.97), they were subsequentlyanalyzed ... age, severity of low back pain (11-point Numeric Rating Scale), leg pain (11-pointNumeric Rating Scale), disability (LBP Rating Scale)[19], and duration of symptoms (months in pain) .Three ... less costly but only by €11.However, costs would possibly differ from setting to set-ting, depending on the type of governmental paymentstructure, type of treatment and structure of treatmentprogram....