Skip to main content

Advertisement

Table 1 Percentage of women continuing levonorgestrel IUD at 1 and 2 years by age and parity in the OS (modified from Abraham et al. 2015, [5])

From: Cross design analysis of randomized and observational data – application to continuation rates for a contraceptive intra uterine device containing Levonorgestrel in adolescents and adults

Age group and parity n Continuation rate year 1 (in %) Continuation rate year 1 (95%-Confidence Interval) Continuation rate year 2 (in %) Continuation rate year 2 (95%-Confidence Interval)
> 25 parous 1271 86 (84; 87) 76 (74; 78)
> 25 nulliparous 395 87 (83; 90) 77 (72; 81)
20–25 parous 851 86 (83; 88) 73 (73; 76)
20–25 nulliparous 850 87 (85; 89) 79 (79; 82)
< 20 parous 121 82 (73; 88) 73 (63; 80)
< 20 nulliparous 241 81 (76; 86) 67 (61; 73)