Table 3

National Heart Lung and Blood Institute overall risk of judgement for observational studies

StudyJudgement
Alshafei (2017)6Fair
Jiang (2016)10Good
Laws (1996)11Fair
Lees (1981)12Fair
Mitchell (2011)46Good
Neffendorf (2015)43Good
Rosales (1981)24Poor
Rush (2001)25Fair