Table 3 Quality Assessment of Reviewed Cohort Studies.
From: Parity and endometrial cancer risk: a meta-analysis of epidemiological studies
Study | Exposed cohort represents average in community | Selection of the non-exposed cohort from same community | Ascertain exposure through records or structured interviews | Demonstrate that outcome not present at study start | Exposed and non-exposed matched and/or adjusted by factors | Ascertain outcome via independent blind assessment or record linkage | Follow-up long enough for outcome to occur | Loss to follow-up<20% | Overall Score |
|---|---|---|---|---|---|---|---|---|---|
Dossus, 2010 | 1 | 1 | 0 | 1 | 2 | 1 | 1 | 1 | 8 |
Wernli, 2006 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 7 |
Hinkula, 2002 | 1 | 1 | 1 | 0 | 2 | 1 | 1 | 1 | 8 |
Terry, 1999 | 1 | 1 | 0 | 1 | 2 | 1 | 1 | 1 | 8 |
Albrektsen, 1995 | 1 | 1 | 1 | 0 | 2 | 1 | 1 | 1 | 8 |
Kvale, 1988 | 1 | 1 | 1 | 0 | 2 | 1 | 1 | 1 | 8 |
PLCO, US | 1 | 1 | 0 | 1 | 2 | 1 | 1 | 1 | 8 |
USRT, US | 0 | 1 | 0 | 1 | 2 | 1 | 1 | 1 | 7 |
de Warrd, 1996 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 5 |
Bevier, 2011 | 1 | 1 | 1 | 0 | 2 | 1 | 1 | 1 | 8 |