Table 1.
Baseline characteristics of study participants (N=66).
| Population characteristics | Digital physiotherapy group (n=35) | Conventional rehabilitation (n=31) | P value | |
| Demographics | ||||
| Age (years), mean (SD) | 62.4 (8) | 66.6 (10) | .07a | |
| Gender (female), n (%) | 15 (43) | 16 (2) | .64 | |
| Operated hip side (right), n (%) | 16 (46) | 12 (39) | .74 | |
| Comorbidities and known risk factors for adverse events | ||||
| Body mass index, mean (SD) | 28.3 (3) | 27.4 (4) | .31a | |
| Smoking, n (%) | 2 (6) | 7 (23) | .07b | |
| Hypertension, n (%) | 14 (40) | 12 (39) | >.99 | |
| Diabetes, n (%) | 11 (31) | 7 (23) | .59 | |
| Pulmonary disease, n (%) | 1 (3) | 1 (3) | >.99 | |
| Cardiac disease, n (%) | 3 (9) | 5 (16) | .46b | |
| Stroke, n (%) | 1 (3) | 0.0 | —c | |
| Renal disease, n (%) | 0.0 | 0.0 | — | |
| Bleeding disorders, n (%) | 0.0 | 2 (6) | — | |
| ASAd (class 3 or 4), n (%) | 8 (23) | 10 (32) | .56 | |
| Steroids for chronic condition, n (%) | 0 | 0 | — | |
| Previous contralateral hip replacement, n (%) | 7 (20) | 5 (16) | .93 | |
| Previous knee replacement, n (%) | 1 (3) | 0 | — | |
| Hospital admission and surgical procedure | ||||
| Time between admission and surgery (hours) | <24 | <24 | — | |
| Operative time (min), mean (SD) | 63.7 (19) | 59.9 (9) | .10a | |
| Noncemented prosthesis, n (%) | 2 (6) | 2 (6) | >.99 | |
| Minor adverse events before discharge, n (%) | 0.0 | 0.0 | — | |
| Length of stay (days), median (IQRe) | 6.0 (2) | 6.0 (1) | .43f | |
aIndependent sample t test.
bFisher exact test.
cNot applicable.
dAmerican Society of Anesthesiology physical status classification system.
eIQR: interquartile range.
fMann-Whitney U test.