Table 1.
Comparison of baseline characteristics of eligible patients given as mean (SD) and absolute (relative) frequencies
| Analyzed n = 582 |
Excluded n = 189 |
p value | |
|---|---|---|---|
| Age at surgery (years) | 68.7 (9.7) | 70.1 (9.4) | ns |
| BMI (kg/m2) | 30.9 (5.6) | 31.4 (6) | ns |
| Gender | ns | ||
| Male | 270 (46.4%) | 79 (41.8%) | |
| Female | 312 (53.6%) | 110 (58.2%) | |
| Comorbidities | ns | ||
| ASA 1/2 | 304 (52.2%) | 84 (44.4%) | |
| ASA 3/4 | 278 (47.8%) | 105 (55.6%) | |
| Indication for TKA | ns | ||
| Primary OA | 518 (89.0%) | 172 (91.0%) | |
| Secondary OA | 64 (11.0%) | 17 (9.0%) | |
| Malalignment before surgerya | 8.0 (4.2) | 8.1 (4.7) | ns |
aDeviation in degrees from a neutral leg axis