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Table 6 The comparison of score changes in the two control and treatment groups

From: Safety and efficacy of platelet-rich plasma in treatment of carpal tunnel syndrome; a randomized controlled trial

Variables Group Number Mean SD P Value (Univariate) Power P Value (Multivariate-adjusted for age)
VAS change Control 20 −2.90 2.1 0.845 0.073 0.398
Treat 21 −2.76 2.4
Median SNAP PL change Control 20 −0.15 0.2 0.820 0.091 0.858
Treat 20 −0.17 0.2
Median CMAP OL change Control 20 −0.09 0.1 0.410 0.253 0.198
Treat 20 −0.04 0.2
Symptom severity scale change Control 20 −0.70 0.3 0.922 0.063 0.629
Treat 19 −0.72 0.7
Functional scale change Control 20 −0.86 0.5 0.289 0.283 0.554
Treat 19 −0.63 0.8
Severity change Control 20 −0.05 0.2 0.174 0.393 0.194
Treat 21 −0.19 0.4