Table 2.

Results

	Cumulative hospital length of stay (days)	Cumulative time until pain-free (weeks)	Time to independent living (weeks)	Return to leisure activities (weeks)	Return to sport (weeks)	Return to work-Part time (weeks)	Return to Work - Full time (weeks)
All Hip Arthroplasty
Group 1	11.9	20.9	11.7	13.4	24.5	14.0	21.0
Group 2	9.1; (4.5, 4.6)	28.9; (15.8,13.1)	17.4; (9.3, 8.1)	22.2; (12.6, 9.6)	32.0; (17.1, 14.9)	17.2; (8.8, 8.4)	29.7; (15.4, 14.3)
p-value	p < 0.01; (p = 0.81)	p = 0.03; (p < 0.01)	p = 0.02; (p = 0.25)	p < 0.01; (p < 0.05)	p = 0.21; (p = 0.50)	p = 0.04; (p = 0.72)	p < 0.05; (p = 0.65)
Hip Resurfacing
Group 1	11.1	16.9	11.1	15.7	24.2	14.1	20.2
Group 2	7.3; (3.6, 3.7)	26.0;(14.5, 11.5)	15.6; (8.1, 7.5)	22.4; (12.1, 10.3)	34.0; (18.3, 15.7)	15.1; (7.5, 7.5)	22.9; (12.2, 10.7)
p-value	P < 0.01; (p = 0.59)	p = 0.04; (p = 0.04)	p = 0.19; (p = 0.47)	p = 0.16; (p = 0.43)	p = 0.33; (p = 0.67)	p = 0.60; (p = 1.0)	p = 0.66; (p = 0.65)
Total Hip Replacement
Group 1	12.6	24.1	12.1	11.5	24.8	13.8	22.0
Group 2	10.4; (5.2, 5.2)	31.0;(16.7, 14.3)	18.7; (10.2, 8.5)	22.0; (12.9, 9.1)	30.8; (16.3, 14.4)	19.3; (10.0, 9.3)	35.8; (18.2, 17.6)
p-value	p < 0.01; (p = 1.0)	p = 0.22; (p = 0.03)	p = 0.06; (p = 0.34)	p < 0.01; (p = 0.06)	p = 0.44; (p = 0.62)	p = 0.03; (p = 0.67)	p = 0.02; (p = 0.81)
Comparing HR and THR in Group 1	11.9, 12.6 p < 0.01	16.9, 24.1 p = 0.34	11.1, 12.1 p = 0.82	15.7, 11.5 p = 0.25	24.2, 24.8 p = 0.92	18.6, 13.8 p = 0.30	20.2, 22.0 p = 0.76
Comparing HR and THR in Group 2	7.3, 10.4 p < 0.01	26.0, 31.0 p = 0.02	15.6, 18.7 p = 0.23	22.4, 22.0 p = 0.93	34.0, 30.8 p = 0.73	15.1, 19.3 p < 0.05	22.9, 35.8 p = 0.03

Key: HR - Hip Resurfacing, THR - Total Hip Replacement

P-values: The first figure compares Groups 1 and 2, the second figure (in parentheses) compares differences between consecutive operations in Group 2 patients.