Table 1.

Demographic data of the study population

Variable	Group 1 (22 hips)	Group 2 (43 hips)
Age at the time of closed reduction (months) (mean ± SD)	8.4 ± 1.8	8.1 ± 1.2
Age at the latest follow-up (years) (mean ± SD)	5.2 ± 1.5	4.7 ± 1.4
Follow-up time (years) (mean ± SD)	4.6 ± 1.5	4 ± 1.6
Gender (female/male) (n)	19/3	42/1
Previous harness or brace treatment (+/−) (n)	17/5	34/9
IHDI grade at time of reduction
Grade 3 (n)	12	26
Grade 4 (n)	10	17

SD standard deviation, Group 1 adductor tenotomy was performed during closed reduction, Group 2 adductor tenotomy was not performed during closed reduction, n number, IHDI International Hip Dysplasia Institute