. 2021 Jan 24;41(4):1541–1548. doi: 10.1007/s10792-021-01728-x

Table 2.

Ocular characteristics of all subjects and each group

	All subjects n = 1083	Group 1 n = 371	Group 2 n = 712	P value^*
Chronic ocular disease
Yes, n (%)	27 (2.49%)	22 (5.92%)	5 (0.7%)	p < 0.001
No, n (%)	1056 (97.5%)	349 (94.07%)	707(99.3%)	p < 0.001
Previous ocular surgery
Yes, n (%)	31 (2.8%)	25 (6.73%)	6(0.84%)	p < 0.001
No, n (%)	1052 (97.13%)	346 (93.2%)	706 (99.15%)	p < 0.001
Ophthalmic medication used
Yes, n (%)	16 (1.4%)	12 (3.2%)	4 (0.56%)	p < 0.001
No, n (%)	1067 (98.6%)	359 (96.8%)	708 (99.43%)	p < 0.001
Contact lens wear
Yes, n (%)	3 (0.27%)	1 (0.26%)	2 (0.28%)	p = 0.838
No, n (%)	1080 (99.7%)	370 (99.7%)	710 (99.7%)	p = 0.838

^*Comparison of ocular characteristics of inpatient and outpatient groups by Chi-square test shows statistical significance (p < 0.05)