Table 1.
Anthropometric characteristics of the study group*.
| N = 1008 | Trainee | Senior |
|---|---|---|
| Number of THAs | N = 240 | N = 768 |
| Age (years) | 65.9 ± 10.1 | 63.8 ± 10.8 |
| Gender (men/women) | 121/119 | 365/403 |
| ASA-Class 1 | 27 (11.3%) | 142 (18.5%) |
| ASA-Class 2 | 125 (52.1%) | 411 (53.5%) |
| ASA-Class 3 | 85 (35.4%) | 212 (27.6%) |
| ASA-Class 4 | 3 (1.3%) | 3 (0.4%) |
| Operative time (min) | 78.1 ± 25.4 | 69.3 ± 23.8 |
| Length of hospital stay (d) | 9.5 ± 1.8 | 9.4 ± 1.6 |
*For categorical data values are given as relative and absolute frequencies, for quantitative data values are given as mean (standard deviation), THA = total hip arthroplasty, ASA = American Society of Anaesthesiologists.