Table 1.
Baseline characteristics and balance of predictors
| Intervention n:177 | Control n:182 | P | |
|---|---|---|---|
| Mean age in years (SD) | 84.3 (7·7) | 83.2 (7.7) | .82a |
| Gender % (women) | 81.4% | 79.7% | .69b |
| Type of fracture % (femoral neck) | 53.1% | 51.6% | .54b |
| Braden score (SD) | 15.4 (2.4) | 15.4 (2.0) | .58a |
| Presence of a diaper % | 32% | 33% | .70b |
| Patients without a urinary catheter % | 3.6% | 2.8% | .68b |
| Median daily position changes (25‐75°P) | 6 (6‐8) | 7 (6‐8) | .59c |
| Median days waiting for surgery (25‐75°P) | 1 (1‐2) | 1 (1‐2) | .53c |
| Median days waiting for rehab (25‐75°P) | 1 (1‐2) | 1 (1‐1) | .65c |
| Percentage of days with air pressure mattress (25‐75°P) | 88% (40%‐100%) | 88% (50%‐100%) | .58c |
| Median days in study (25‐75°P) | 8 (7‐8) | 8 (7‐8) | .32c |
Abbreviation: SD, standard deviation.
a
One‐way ANOVA test.
b
Fisher χ 2 test.
c
Mann‐Whitney test