Table VI.

Minimal important change in Oxford Hip Score. Set at an improvement of score of 8 or greater.

Timepoint	n		Achieving MIC (≥ 8)		p-value*
Preop	1,004
6 wks	941		833 (88.5)
4.5 mths	839		783 (93.3)
1 yr	745		702 (94.2)
	≤ 65	> 65	≤ 65 yrs	> 65yrs
Preop	430	574
6 wks	401	540	341 (85.0)	492 (91.1)	0.012
4.5 mths	356	483	324 (91.0)	459 (95.0)	0.032
1 yr	320	425	300 (93.8)	402 (94.5)	0.897
	< 70	≥ 70	< 70 yrs	≥ 70yrs
Preop	597	407
6 wks	559	382	483 (86.4)	350 (91.6)	0.010
4.5 mths	501	338	461 (92.0)	322 (95.3)	0.090
1 yr	456	289	428 (93.8)	274 (94.8)	0.431

^*Chi-squared test.

MIC, minimal important change.