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Table 1 Participants included in the active comparator new user cohort study, IBM MarketScan Commercial Claims and Encounters Database, 2000–2014

From: Oral contraceptive use and anterior cruciate ligament injury: comparison of active comparator new user cohort and case-control study designs

 

OC Initiators

n = 2,370,286

IUD Users

n = 621,798

Mean (SD)

Range

Mean (SD)

Range

Age (years)

26.7 (8.1)

13, 45

32.4 (6.8)

13, 45

Follow-up (years)

1.1 (1.0)

0.2, 14.2

1.6 (1.5)

0.2, 14.5

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Injury Epidemiology

ISSN: 2197-1714