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Table 4 The effect sizes of the primary and secondary outcomes of the participants with NSCLBP (N=70)

From: Effect of multidimensional physiotherapy on non-specific chronic low back pain: a randomized controlled trial

characteristic

Effect size

Mean difference (95% CI)

Cohen’s d (95% CI)

Pain as a Primary Outcome Measure

NRS Score (10)

6w

-0.57 (-1.62 to 0.48)

-0.23 (-0.70 to 0.24)

10w

-1.54 ( -2.59 to -0.49)

-0.62 ( -1.10 to -0.14)

22w

-2.20 (-3.25 to -1.15)

-0.89 (-1.38 to -0.39)

Secondary Outcome Measures

ODI Score (60)

6w

-0.09 (-6.19 to 6.02)

-0.01 (-0.47 to 0.46)

10w

-1.8 (-7.90 to 4.30)

-0.12 (-0.59 to 0.34)

22w

-4.4 (-10.50 to 1.70)

-0.31 (-0.78 to 0.17)

TSK Score (68)

6w

1.17 (-2.98 to 5.33)

0.12 (-0.35 to 0.59)

10w

-1.74 (-5.90 to 2.41)

-0.18 (-0.65 to 0.29)

22w

-3.57 (-7.73 to 0.58)

-0.37 (-0.84 to 0.11)

PCS Score (52)

6w

-2.49 (-7.08 to 2.11)

-0.32 (-0.79 to 0.16)

10w

-3.43 (-8.03 to 1.17)

-0.29 (-0.76 to 0.18)

22w

-3.17 (-7.77 to 1.43)

-0.40 (-0.87 to 0.08)

SF36 Score (400)

6w

2.12 (-7.97 to 12.21)

0.09 (-0.38 to 0.57)

10w

4.24 (-5.85 to 14.33)

0.18 (-0.29 to 0.65)

22w

8.47 (-1.62 to 18.56)

0.36 (-0.12 to 0.83)

FABQ Score (96)

6w

2.83 (-6.16 to 11.82)

0.14 (-0.34 to 0.60)

10w

-2.00 (-10.99 to 6.99)

-0.09 (-0.56 to 0.37)

22w

-4.00 (-12.99 to 4.99)

-0.19 (-0.66 to 0.28)

Flexion ROM (cm)

6w

-0.40 (-7.11 to 6.31)

-0.03 (-0.49 to 0.44)

10w

-0.86 (-7.56 to 5.85)

-0.05 (-0.52 to 0.41)

22w

-2.46 (-9.16 to 4.25)

-0.16 (-0.62 to 0.31)

  1. Abbreviations: NRS, Numeric Rating Scale; ODI, Oswestry Disability Index; TSK, Tampa Scale for Kinesiophobia; PCS, Total Score of the Pain Catastrophizing Scale; SF36, 36-Item Short-Form Health Survey; FABQ, Fear Avoidance Beliefs Questionnaire; Flexion ROM, Lumbar Active Forward Flexion Range of Motion; w, weak; cm, centimeter
  2. Cohen’s d is interpreted as very large (> 1), large (0.80-0.99), medium (0.50-0.79), small (0.20-0.49), and negligible (<0.20)