Table 1.
Demographics, cup angles, and operation times
| Demographic | Robotic THA | Conventional THA | p value |
|---|---|---|---|
| Mean ± SD (95% CI) | Mean ± SD (95% CI) | ||
| Age (years) | 56.8 ± 7.9 (54.6–59) | 56.7 ± 8.1 (54.5–59) | 0.942 |
| BMI (kg/m2) | 28.3 ± 3.9 (27.2–29.3) | 28.7 ± 5.0 (27.3–30.1) | 0.632 |
| Cup inclination (degrees) | 40.0 ± 3.2 (39.1–40.8) | 42.6 ± 5.4 (41.1–44.1) | 0.004 |
| Cup anteversion (degrees) | 16.7 ± 3.0 (15.9–17.6) | 13.3 ± 7.0 (11.3–15.3) | 0.002 |
| Operating room time (minutes) | 162.3 ± 28.7 (154.3–170.2) | 158.8 ± 22.5 (152.5–165) | 0.496 |
| Surgical time (minutes) | 109.8 ± 25.5 (102.7–116.8) | 101.5 ± 21.6 (95.5–107.5) | 0.084 |
| Sex | |||
| Male | 19 | 19 | 1.000 |
| Female | 31 | 31 | |
| Side | |||
| Right | 26 | 28 | 0.841 |
| Left | 24 | 22 | |