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Table 3 Pooled (age groups 20–25 and > 25) continuation rates (%) from OS and RCT by age

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

Data source

Age group

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)

OS

> 20

3367

86.36

(85.30, 87.43)

76.11

(75.05, 77.18)

< 20

362

81.33

(77.16, 85.50)

69.00

(64.10, 73.90)

RCT

> 20

253

87.32

(83.20, 91.43)

79.22

(74.18, 84.25)

< 20

NA

NA

NA

NA

NA