Teenage Pregnancy and Its Adverse Obstetric and Perinatal Outcomes at Lemlem Karl Hospital, Tigray, Ethiopia, 2018

Table 1

Sample size calculated by Epi info statistical software from different outcome variables based on their proportion for teenagers and adult mothers (in 1 : 1 ratio of teenage and adult), 2018 ().

Variable	Proportion of outcomes in exposed	Proportion of outcomes in nonexposed	OR	Sample	Reference
Cesarean section	18.5	9.5	1.99	Exposed 255	Ikeako et al. [30]
				Nonexposed 255
				Total 510
Low birth weight	9.5	3.6	2.81	Exposed 309	Egbe et al. [29]
				Nonexposed 309
				Total 618
Preterm	20	7	3.32	Exposed 123	Tripathi and Sherchand [21]
				Nonexposed 123
				Total 246