Table 4.

The comparison of hospitalized patients according to the diagnosis date

	First year (n: 70)	Second year (n: 62)	p Value
Male gender, n (%)	34 (48.6)	27 (43.5)	0.563
Age, months, mean ± SD	167.01 ± 27.73	171.81 ± 30.93	0.350
Presence of any chronic disease, n (%)	15 (21.4)	43 (69.4)	<0.000
Severity of COVID‐19, n (%)			0.004 a
0 = asymptomatic (screening test positivity)	4 (5.7)	1 (1.6)
1 = mild	42 (60)	21 (33.9)
2 = moderate	11 (15.7)	24 (38.7)
3 = severe	13 (18.6)	16 (25.8)
Admission to the intensive care unit, n (%)	3 (4.3)	4 (11.3)	0.189
Length of stay of hospitalized patients, days, median (IQR)	3 (6)	7 (6)	<0.000
Necessity of oxygen support, n (%)	17 (24.3)	37 (59.7)	<0.000
Endotracheal intubation, n (%)	1 (1.4)	6 (9.7)	0.035
Mortality, n (%)	1 (1.4)	3 (4.8)	0.341

Note: Bold values indicates statistical significance p < 0.05.

Abbreviation: IQR, interquartile range.

^a Mild group is statistically significantly lower in the second year.