Table 3 Medians, minima and maxima for the distribution of SF-36 physical and mental scale (range 0 - 100%, 100% = optimum rating) before and four, six, 12 weeks after posterior versus direct lateral approach; p-values derived from two sample Wilcoxon test at each assessment time, respectively
SF-36 physical scale [range 0 - 100%] | ||||
|---|---|---|---|---|
approach | preoperative | four weeks | six weeks | three months |
posterior direct lateral p-value | 26 (8-64) 28 (9-70) 0.515 | 36 (13-68) 33 (12-61) 0.359 | 44 (21-91) 40 (17-70) 0.879 | 50 (19-92) 49 (14-91) 0.426 |
SF-36 mental scale [range 0 - 100%] | ||||
approach | preoperative | four weeks | six weeks | three months |
posterior direct lateral p-value | 60 (22-89) 53 (12-87) 0.455 | 62 (28-82) 48 (12-86) 0.085 | 68 (34-89) 54 (22-91) 0.175 | 78 (20-94) 69 (26-90) 0.439 |