Non-COVID-19 patients N = 50	COVID-19 patients N = 53	p-value
HRCT pattern: no. (%)
Negative CT	1 (2)	1 (1.9)	1
GGO	10 (20)	20 (37.7)	.054
Consolidation	24 (48)	3 (5.6)	.0001
GGO + consolidation	15 (30)	29 (54.7)	.04
ρ=ns
HRCT distribution: no. (%)
Negative CT	1 (2)	1 (1.9)	1
Monolateral	16 (32)	4 (7.5)	.005
Bilateral	33 (66)	48 (90.6)	.01
ρ = 0.3, p < .01
Effusion – no. (%)
Pleural	23 (46)	14 (26)	.05
Pericardial	8 (16)	6 (11)	0.57

Abbreviations: CT: denotes computed tomography; GGO: ground-glass opacities; HRCT: high resolution computed tomography; no.: numbers; ns: non-significant; ρ: Spearman’s rank correlation coefficient. The numbers in bold indicate the statistically significant values of p-value.