Table 5.
Harris hip score
| Mann-Whitney U test (between groups)—HHS | |||||||
|---|---|---|---|---|---|---|---|
|
| |||||||
| Approach | N | Mean rank | Sum of rank | U | Z | P-Value | |
| Pre-op | PA | 22 | 21.11 | 464.5 | 211.5 | -0.214 | 0.83 |
| DLA | 20 | 21.93 | 438.5 | ||||
| 6 weeks post-op | PA | 22 | 22.36 | 492 | 201 | -0.489 | 0.63 |
| DLA | 20 | 20.55 | 411 | ||||
| 6 months post-op | PA | 22 | 19.48 | 428.5 | 175.5 | -1.162 | 0.25 |
| DLA | 20 | 23.73 | 474.5 | ||||
|
| |||||||
| Wilcoxon signed-rank test—HHS | |||||||
|
| |||||||
| Approach | Comparison | N | Mean rank | Sum of rank | Z | P-Value | |
| PA | 6 months post-op and pre-op | 22 | 11.5 | 253 | -4.11 | 0 | |
| DLA | 20 | 10.5 | 210 | -3.92 | 0 | ||
HHS: Harris hip score, PA: posterior approach, DLA: direct lateral approach