Table 3. Mean and SE of change from baseline of mild and moderate carpal tunnel syndrome.

Mild	Group A (n = 12) Difference (Mean ± SE)	Group B (n = 14) Difference (Mean ± SE)	Group C (n = 12) Difference (Mean ± SE)	(Across 3 groups)a P value	(Between 2 groups)b P value
SNCV (m/s) (Baseline)	37.56 ± 0.89	38.93 ± 0.49	39.66 ± 0.74	0.127
WK4-Baseline	1.05 ± 0.30	1.33 ± 0.51	1.88 ± 0.54	0.474
WK10-Baseline	1.84 ± 0.58	1.72 ± 0.38	1.80 ± 0.38	0.981
WK14-Baseline	2.91 ± 0.75	2.16 ± 0.48	1.85 ± 0.45	0.423
CSA (mm2) (Baseline)	11.94 ± 0.68	10.84 ± 0.39	11.63 ± 0.67	0.380
WK4-Baseline	−1.74 ± 0.25	−1.23 ± 0.25	−1.17 ± 0.18	0.185
WK10-Baseline	−2.02 ± 0.35	−1.42 ± 0.26	−1.53 ± 0.33	0.359
WK14-Baseline	−2.32 ± 0.34	−1.55 ± 0.30	−1.76 ± 0.37	0.259
Moderate	Group A (n = 18) Difference (Mean ± SE)	Group B (n = 15) Difference (Mean ± SE)	Group C (n = 18) Difference (Mean ± SE)	(Across 3 groups) aP value	(Between 2 groups) bP value
SNCV (m/s) (Baseline)	27.99 ± 0.89	29.73 ± 1.64	28.18 ± 1.32	0.596
WK4-Baseline	1.03 ± 0.38	1.53 ± 0.31	1.77 ± 0.42	0.360	—
WK10-Baseline	2.38 ± 0.59	1.93 ± 0.23	2.00 ± 0.45	0.771	—
WK14-Baseline	3.21 ± 0.69	2.82 ± 0.36	2.14 ± 0.60	0.420	—
CSA (mm2) (Baseline)	14.02 ± 0.41	13.59 ± 0.52	13.37 ± 0.36	0.530
WK4-Baseline	−1.53 ± 0.21	−1.56 ± 0.37	−0.96 ± 0.26	0.216	—
WK10-Baseline	−1.94 ± 0.27	−1.61 ± 0.32	−1.13 ± 0.24	0.111	—
WK14-Baseline	−2.35 ± 0.36	−2.08 ± 0.37	−1.09 ± 0.25	0.019	A vs. B A vs. C* B vs. C

Group A: 3 sessions of active rESWT; Group B: 1 session of active rESWT; Group C: 3 sessions of sham rESWT.

SE = Standard error, WK = Week, rESWT = Radial Extracorporeal shock wave therapy, SNCV = Sensory nerve conduction velocity, CSA = Cross-sectional area.

*p < 0.05, **p < 0.01, ***p < 0.001.

^aOne-way ANOVA test.

^bBonferroni post hoc tests.