Table II.

Response to injection association with hip questionnaires

	Negative response (N = 22)	Positive response (N = 74)	P-value a b
mHHS (mean ± SD)
Preoperative	60.9 ± 15.2	59.9 ± 15.1	0.801
2 week Δ	−26.5 ± 20.4	−22.2 ± 22.1	0.433
6 week Δ	11.4 ± 16.3	11.9 ± 23.3	0.925
4 month Δ	20.0 ± 20.0	26.5 ± 16.4	0.142
Final Δ	20.7 ± 22.4	27.8 ± 17.1	0.117
HOS-ADLs (mean ± SD)
Preoperative	68.9 ± 15.8	63.4 ± 18.1	0.197
2 week Δ	−29.5 ± 25.8	−25.8 ± 20.8	0.502
6 week Δ	2.8 ± 19.1	10.8 ± 24.4	0.178
4 month Δ	14.7 ± 25.2	25.6 ± 19.1	0.039
Final Δ	16.4 ± 26.0	28.6 ± 17.9	0.014
HOS-Sports (mean ± SD)
Preoperative	56.3 ± 22.9	50.4 ± 21.9	0.276
2 week Δ	−39.0 ± 34.9	−39.0 ± 28.3	1.000
6 week Δ	−23.1 ± 30.0	−13.1 ± 37.0	0.267
4 month Δ	5.7 ± 37.1	26.5 ± 30.2	0.011
Final Δ	15.2 ± 40.7	36.4 ± 23.9	0.003
NAHS (mean ± SD)
Preoperative	68.0 ± 18.1	64.0 ± 17.2	0.341
2 week Δ	−13.9 ± 18.7	−14.6 ± 18.2	0.877
6 week Δ	5.0 ± 17.1	8.4 ± 19.8	0.490
4 month Δ	13.0 ± 23.2	23.9 ± 16.4	0.018
Final Δ	16.5 ± 21.5	26.5 ± 15.3	0.017

SD = Standard deviation; ADLs = activities of daily living; ∆ = postoperative score − preoperative score; NAHS = Non-Arthritic Hip Score; HOS = hip outcome score; mHHS = modified Harris Hip Score.

^a P-values calculated for each category using independent t-tests.

^bBoldface indicates statistical significance.