Variable | Standard (n = 57) | UBP (n = 54) | Mean difference (95% CI) | p-Value |
---|---|---|---|---|
Age (years) | 64.8 (8.0) | 63.6 (8.0) | −1.23 (−4.2 to 1.8) | 0.903* |
Female sex | 40 [70] | 42 [78] | 0.392^ | |
BMI in kg/m2 | 42.5 (40.6–43.9) | 43.4 (41.4–46.4) | 0.234** | |
Number of comorbidities | 1 (0–1) | 1 (0–2) | 0.656** | |
Indication | ||||
OA | 55 [96] | 54 [100] | 0.388^ | |
IA | 1 [2] | 0 | ||
Post-HTO | 1 [2] | 0 | ||
Length of hospital stay (median, days) | 5 (4–6) | 4 (3–6) | 0.049** | |
Length of F/U (years) | 5.1 (1.6) | 4.6 (1.8) | −0.50 (−1.1 to 0.1) | 0.496* |
Pre-operative PROMs | ||||
EQ-5D VAS | 65.3 (20.4) | 63.8 (22.7) | −1.5 (−9.6 to 6.6) | 0.296* |
EQ-5D | 0.296 (0.31) | 0.271 (0.31) | −0.03 (−0.141 to 0.09) | 0.723** |
Pain VAS | 49.8 (23.2) | 49.4 (20.3) | −0.41 (−8.7 to 7.9) | 0.226* |
OKS | 17.4 (7.3) | 17.6 (7.1) | 0.27 (−2.5 to 3.0) | 0.594* |