|
| Study | Study design | Study population | Control group description | Followup (median) |
|
| Vannucchi et al., 2010 [1] | Retrospective cohort in a single institution—1995–2006 | 14 women (one affected twice), age yr, DTC diagnosed during pregnancy (G2) | 47 women, age yr, DTC diagnosed at least one year after delivery (G1), and 61 nulliparous women when diagnosed with DTC, age yr, (G3) | G1: 68.2 months
G2: 60.1 months
G3: 64.7 months |
|
| Yasmeen et al., 2005 [2] | Population-based case control study—California 1991–1999 | 595 pregnant women with DTC, 129 diagnosed during pregnancy and 466 diagnosed within 12 months postpartum | 2270 age-matched nonpregnant women with DTC | Not reported |
|
|
Moosa and Mazzaferri, 1997 [3] | Case control study—United States Air Force registry | 61 pregnant women with DTC, age yr | 528 age-matched nonpregnant women with DTC, age yr | 22.4 yr in study population and 19.5 yr in control group |
|
| Herzon et al., 1994 [4] | Case control study—New Mexico Registry 1970–1991 | 22 pregnant women with DTC, age 18–46 yr | 465 women with DTC in the same database, age 18–46 yr | 6 months to 20 years reported for study population |
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