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Table 6 Comparison between the data including lost cases and the data excluding lost cases in the SNT group

From: Efficacy of silver needle therapy for the treatment of chronic nonspecific low back pain: a prospective, single-center, randomized, parallel-controlled clinical trial

 

SNT group including lost cases (n = 50)

SNT group excluding lost cases (n = 46)

P

3 months

NRS

1.36 ± 0.66

1.33 ± 0.63

0.799

ODI

24.6 ± 2.9

24.6 ± 3.0

0.921

SF-12

71.7 ± 2.6

71.7 ± 2.7

0.980

6 months

NRS

1.26 ± 0.69

1.22 ± 0.66

0.760

ODI

24.7 ± 2.9

24.8 ± 3.0

0.902

SF-12

72.2 ± 3.1

72.3 ± 3.2

0.926