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Table 5 Numeric pain rating scale within-group continuous and categorical comparisons for pre- and post-intervention

From: A pilot randomized controlled trial comparing the efficacy of exercise, spinal manipulation, and neuro emotional technique for the treatment of pregnancy-related low back pain

 

Continuous data

Categorical data

 

Baseline

Endpoint

2+ Point improve

30% Improve

50% Improve

 

Mean (SD)

Mean (SD)

   

Exercise (n = 22)

3.9 (1.5)

2.4 (1.8)

55%

64%

55%

NET (n = 20)

3.2 (1.4)

2.4 (1.6)

35%

45%

35%

SMT (n = 15)

3.5 (1.1)

1.9 (1.7)

60%

67%

53%

  1. * Significance of raw score change using a repeated-measures t-test.