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Table 2 Two sample comparison of change in treatment (pre – post) by treatment group. AR = active rehabilitation; MT = manual therapy; NSLBP = non-specific low back pain; VAS = visual analogue scale; PRI = pain rated index; RMQ Roland Morris Questionnaire.

From: A comparison of manual therapy and active rehabilitation in the treatment of non specific low back pain with particular reference to a patient's Linton & Hallden psychological screening score: a pilot study

  Group n = Mean Std dev. Difference in means MT-AR (95% CI) p
VAS AR 19 3.3 26.3 15.0 (-1.1,31.2) .067
  MT 20 18.3 23.5   
RMQ AR 19 0.6 3.2 3.6 (1.1,6.2) .006
  MT 20 4.2 4.5   
PRI AR 19 -0.1 7.2 7.1 (2.0,12.2) .007
  MT 20 7.0 8.5   
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