Return to work and resumption of driving after anterior minimally invasive total hip arthroplasty

Table 1 Patient demographics of the unemployed and employed groups, n (%)

	Unemployed	Employed	P value
Number of patients	67	57	-
Age (years)	71.4 ± 8.9	64.6 ± 10.0	< 0.001
Number of females	65 (97.0)	47 (82.4)	0.006
Height (cm)	152.5 ± 6.7	156.2 ± 8.5	0.010
Weight (kg)	54.9 ± 11.7	61.5 ± 12.7	0.007
Preop Harris hip score	54.9 ± 13.8	55.4 ± 10.6	0.60
Preop Western Ontario and Mcmaster Universities Osteoarthritis Index	39.2 ± 16.4	40.9 ± 18.2	0.81
Preop Centre for Epidemiologic Studies Depression Scale	13.5 ± 7.0	13.3 ± 548	0.84
Preop University of California, Los Angeles	2.3 ± 0.5	2.3 ± 0.5	0.93
Rate of RTW	-	54 (94.7)	-
Time to RTW (week)	-	5.0 ± 4.1	-
Number of drivers	41 (61.2)	48 (84.2)	0.005
Time to resumption of driving (week)	3.5 ± 2.5	3.5 ± 2.5	0.92

Preop: Preoperative; RTW: Return to work.

Table 2 The relationship between physical workload, return to work and various clinical scores

	1 (light)	2 (medium)	3 (hard)	P value
Number of patients	20	22	12
Time to return to work (week)	3.6 ± 2.3	5.3 ± 5.0	7.0 ± 4.2	0.019
Postop Harris hip score	92.5 ± 7.3	95.6 ± 1.5	95.4 ± 0.8	0.58
Postop Western Ontario and Mcmaster Universities Osteoarthritis Index	12.8 ± 12.1	9.6 ± 6.7	10.9 ± 10.1	0.8
Postop University of California, Los Angeles	3.6 ± 0.6	3.8 ± 0.6	4.0 ± 0.5	0.28

Postop: Postoperative.