Poor Sleep Quality Is the Risk Factor for Central Serous Chorioretinopathy

Table 1

Comparison between CSC patients and normal controls.

	CSC ()	Control ()
Age (mean ± standard deviation)	44.57 ± 6.29	44.36 ± 5.83	0.777 (independent t-test)
Sex
Male	110 (82.1%)	110 (82.1%)	1 (chi-square test)
Female	24 (17.9)	24 (17.9)
BMI	22.51 ± 2.38	22.32 ± 2.80	0.075 (Kruskal–Wallis H test)
Underweight	6 (4.5%)	8 (5.97%)
Healthy	106 (79.1%)	114 (85.07%)
Overweight	22 (16.4%)	12 (8.96%)
Sleep time
20:00–21:00	4 (2.99%)	10 (7.46%)	0.161 (Kruskal–Wallis H test)
21:01–24:00	110 (82.10%)	108 (80.60%)
0:01–2:00	20 (14.93%)	16 (11.94%)
Wake up time
4:00–5:00	10 (7.46%)	10 (7.46%)	0.333 (Kruskal–Wallis H test)
5:01–9:00	118 (88.06%)	112 (83.58%)
9:01–10:00	6 (4.48%)	12 (8.96%)

CSC, central serous chorioretinopathy; BMI, body mass index.