Table 2. Average choroidal thickness and 95% CI at different locations in macula.

Location (mm from fovea)	Normal pregnant		Control		Mean difference (µm)1	95%CI (µm)		P
	Mean (µm)	SD (µm)	Mean (µm)	SD (µm)		Lower bound	Upper bound
SFCT	344.13	50.94	315.03	60.57	29.10	7.73	50.47	0.008
Superior 1 mm	302.32	54.18	269.67	79.04	32.65	6.26	59.03	0.009
Superior 3 mm	283.95	48.79	264.56	67.39	19.39	-3.40	42.18	0.095
Inferior 1 mm	269.52	58.81	243.73	77.30	25.79	0.78	50.80	0.043
Inferior 3 mm	237.80	44.18	215.07	66.34	22.73	2.49	42.97	0.028
Nasal 1 mm	269.67	61.82	240.74	79.26	28.92	2.97	54.88	0.029
Nasal 3 mm	190.56	56.59	165.63	69.83	24.93	1.62	48.23	0.045
Temporal 1 mm	280.97	51.55	256.55	66.94	24.42	2.64	42.61	0.028
Temporal 3 mm	243.32	47.18	227.60	51.12	15.72	-2.59	34.03	0.097

CI: Confidence interval; SD: Standard deviation; SFCT: Subfoveal choroidal thickness. ¹Normal group as reference.