Table 3

Outcomes for revision surgery at 2 and 5 years within the 40- to 60-year-old cohort

Outcome	No. (%) of patients;^* age
Outcome	40–49 yr n = 559^†	50–60 yr n =259^†
Secondary surgery	51 (9.1)	37 (14.3)
2-year follow-up
Repeat hip arthroscopy	10 (1.8)	0 (0.0)
Total hip arthroplasty	41 (7.3)	37 (14.3)
5-year follow-up^†	73/340 (21.5)	39/154 (25.3)
Repeat hip arthroscopy	12 (3.5)	0 (0.0)
Total hip arthroplasty	61 (17.9)	39 (25.3)
Postoperative event (cumulative)	32 (5.7)	23 (8.9)
Major complication	≤ 5	≤ 5
Emergency department visit	20 (3.6)	15 (5.8)
Readmission to hospital	12 (2.1)	8 (3.1)
Intensive care unit admission	≤ 5	0 (0.0)
Reoperation	0 (0.0)	≤ 5
No. of orthopedic surgeon visits
Mean ± SD	0.38 ± 0.53	0.35 ± 0.52
Median (IQR)	0 (0–1)	0 (0–1)

IQR = interquartile range; SD = standard deviation.
↵* Unless indicated otherwise.
↵† The number of patients eligible for secondary surgery at 5-year follow-up in each group was lower than the total number of patients in that group; the denominators are shown.