Table 1. Baseline Characteristics of the Sample According to the Intervention Groups.
| Baseline Characteristics | Experimental Group | Control Group | P |
|---|---|---|---|
| Mean (SD) or Percentage | |||
| Age, y | 77.45 (7.6) | 81.77 (8.7) | .252a |
| Sex, % | 1.000b | ||
| Women | 70 | 70 | |
| Men | 30 | 30 | |
| Pain intensity | 4.40 (1.0) | 3.60 (1.7) | .202a |
| Anterior deltoid PPT | 3.01 (0.6) | 2.68 (0.6) | .248a |
| Women | 2.85 (0.7) | 2.37 (0.5) | |
| Men | 3.39 (0.1) | 3.40 (0.2) | |
| Extensor carpi radialis brevis PPT | 2.49 (0.8) | 2.35 (0.6) | .654a |
| Women | 2.14 (0.5) | 2.09 (0.5) | |
| Men | 3.30 (0.7) | 2.95 (0.4) | |
| Grip strength, kg | 19.55 (8.6) | 16.20 (10.0) | .431a |
Abbreviations: PPT, pressure pain threshold (kg/cm2); SD, standard deviation.
aThe Student t test.
b The Fisher exact test.