Enhanced Depth Imaging Optical Coherence Tomography: A New Way Measuring Choroidal Thickness in Pregnant Women

Table 1

Characteristics of included studies that discovered the association between choroidal thickness and pregnancy.

First author (year)	Location	Groups	Number of patients	Number of eyes	Test time (weeks)	OCT
Sertan Goktas (2014)	Turkey	Pregnant 1	30	30	0–12 w	Heidelberg Engineering
		Pregnant 2	30	30	13–27 w
		Pregnant 3	30	30	≥28 w
		Control	30	30	NA
Mustafa Atas (2014)	Turkey	Pregnant	25	25	≥28 w	Heidelberg Engineering
		Preeclamptic	27	27	NA
		Control	26	26	≥28 w
Nihat Sayin (2014)	Turkey	Pregnant	46	46	17–37 w	Cirrus-HD OCT
		Preeclamptic	33	33	16–36 w
		Control	40	40	NA
Necip Kara (2014)	Turkey	Pregnant	100	100	15–38	Cirrus-HD OCT
		Control	100	100	NA
Zeynep Dadaci (2015)	Turkey	Pregnant(S)	27	54	6–8 w	Cirrus-HD OCT
		Pregnant(S)	27	54	32–37 w
		Control	25	50	NA
Renata T. Rothwell (2015)	Portugal	Pregnant	12	24	≥28 w	Heidelberg Engineering
		Control	12	24	NA
Dondu Melek Ulusoy (2015)	Turkey	Pregnant(S)	29	58	≥28 w	Heidelberg Engineering
		Pregnant(S)	29	58	36 w after delivery
		Control	36	72	NA
Gokhan Acmaz (2015)	Turkey	Pregnant with GDM	36	NA	≥24 w	Heidelberg Engineering
		Pregnant	24	NA	≥24 w
		Control	38	NA	NA
Necati Duru (2016)	Turkey	Pregnant	41	41	≥28 w	Cirrus-HD OCT
		Preeclamptic	32	32	≥28 w
J. W. Kim (2016)	South Korea	Pregnant	14	14	≥28 w	Heidelberg Engineering
		Preeclamptic	7	7	≥20 w
		Control	21	21	NA

NA: not available. Pregnant(S): same pregnant women during and after delivery. Control: matched nonpregnant women.