Table 1 Descriptive statistics
Variable | THA | TKA | ||
|---|---|---|---|---|
Male patients (n = 978) | Female patients (n = 1390) | Male patients (n = 715) | Female patients (n = 915) | |
Age (years) | 68.72 (9.05) | 68.86 (9.18) | 71.00** (7.90) | 70.00** (8.70) |
LOS (days) | 7.34 (4.16) | 7.43 (4.01) | 7.44 (3.55) | 7.37 (3.42) |
Surgery duration (min.) | 46.47 (18.06) | 45.76 (17.05) | 57.83*** (17.67) | 55.26*** (18.72) |
In-hospital complication ratio (general) | 0.03 (0.16) | 0.02 (0.14) | 0.03 (0.16) | 0.02 (0.12) |
In-hospital complication ratio (specific) | 0.01 (0.10) | 0.01 (0.11) | 0.02** (0.12) | 0.04** (0.07) |
EQ-5D-5L (pre-surgery) | 0.576*** (0.275) | 0.512*** (0.291) | 0.625*** (0.253) | 0.534*** (0.284) |
EQ-5D-5L (3-month FU) | 0.883** (0.156) | 0.867** (0.172) | 0.844*** (0.163) | 0.817*** (0.182) |
EQ-5D-5L (12-month FU) | 0.910 (0.149) | 0.903 (0.160) | 0.885*** (0.154) | 0.862*** (0.169) |
WOMAC (pre-surgery) | 45.66*** (15.52) | 50.15*** (14.61) | 41.77*** (15.28) | 46.44*** (14.39) |
WOMAC (3-month FU) | 13.05 (12.19) | 14.36 (12.59) | 17.87*** (13.45) | 20.00*** (14.28) |
WOMAC (12-month FU) | 11.02 (12.98) | 11.98 (13.89) | 14.43*** (13.64) | 17.54*** (15.13) |
Elixhauser Comorbidity Score | 3.80** (4.96) | 3.31** (4.55) | 3.46 (4.77) | 3.26 (4.34) |