Osteocalcin Serum Levels in Gestational Diabetes Mellitus and Their Intrinsic and Extrinsic Determinants: Systematic Review and Meta-Analysis

Table 3

Newcastle-Ottawa scale for cohort studies.

Study		Selection			Demonstration that outcome of interest was not present at start of study	Comparability		Exposure			Stars
Author	Year	Representativeness of the exposed cohort	Selection of the nonexposed cohort	Ascertainment of exposure		Study controls for main outcome	Study controls for additional outcomes	Ascertainment of outcome	Was follow-up enough for outcomes to occur	Adequacy of follow-up cohorts
Hossein-nezhad	2010										6