Table 3.

Comparison of differences in relative change of muscle function and 95% confidence intervals (CI) from baseline to first post-measurement, between the experimental and control group, regarding patient’s age and sex.

Group	Middle aged	Younger old	Older old	Female	Male
EXG	+ 7.4 (5.7)	+ 34.6 (8.2)	+ 3.2 (9.4)	+ 23.9 (7.0)	+ 6.2 (5.7)
CNG	− 2.8 (10.9)	− 20.1 (7.7)	− 7.6 (7.1)	− 23.6 (7.1)	+ 3.3 (6.9)
Mean difference	10.2 (12.3)	54.7* (11.2)	10.8 (11.8)	47.5* (9.9)	3.0 (8.9)
95% CI	− 14.5 to + 35.0	+ 32.2 to + 77.1	− 12.8 to + 34.4	+ 27.7 to + 67.3	− 14.9 to + 20.8

Data are presented as means (relative changes in muscle function) and standard deviations. EXG, experimental group; CNG, control group. p-value calculated for intention-to-treat analysis (n = 90, nEXG = 57, nCNG = 33). Difference between groups significant at p < 0.001 is marked by *.