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Table 4 Inferential statistics per protocol

From: Effects of a back school-based intervention on non-specific low back pain in adults: a randomized controlled trial

Variable

Group (N)

Pre-test

Post-test

p value

Mean ± SD

Median (IQR)

Mean ± SD

Median (IQR)

VAS (mm)

CG (18)

53.6 ± 8.9

55 (10)

38.2 ± 10

40 (16)

p = 0.003

EG (19)

53.8 ± 9.3

55 (10)

25.3 ± 10.2

25 (10)

RMDQ

CG (18)

5.2 ± 3.7

4 (7)

4.7 ± 3

4 (5)

p < 0.001

EG (19)

6.5 ± 4.4

5 (5)

2.8 ± 2.6

2 (3)

fSF-36

CG (18)

42.5 ± 7.3

42.5 (10)

43.4 ± 6.7

44.6 (7.8)

p < 0.001

EG (19)

39.6 ± 9.1

37.7 (12.5)

46.5 ± 6.3

46.2 (8.3)

pSF-36

CG (18)

44.8 ± 7.7

44.5 (12.7)

47.7 ± 8.3

46.6 (13.2)

p = 0.730

EG (19)

46.2 ± 10.1

46.6 (10.6)

49.8 ± 8.5

54.7 (13.1)

TSK-11

CG (18)

26.1 ± 4.8

25 (6)

25.6 ± 4.6

25 (8)

p < 0.001

EG (19)

25.1 ± 5.9

24 (8)

19.3 ± 6.3

19 (8)

  1. sample, SD Standard deviation, IQR Interquartile Range, CG Control group, EG Experimental group, VAS Visual Analogue Scale, RMDQ Roland Morris disability questionnaire, fSF-36 Physical Short-Form Health Survey-36, pSF-36 Psychosocial Short-Form Health Survey-36, TSK-11 Tampa Scale of Kinesiophobia