Table 6.

Clinical course parameters.

Variable		Cases	Controls	p-Value
Length of hospitalisation (days)	N	52	53	0.120
	Median (IQR)	8 (6)	10 (5)
	Range	2–23	3–25
Percentage of lung involvement on CT (%)	N	34	46	0.539
	Median (IQR)	20 (11)	27.5 (35)
	Range	1–60	0–80
Time from the onset of SARS-CoV-2 symptoms (days)	N	51	50	0.863
	Median (IQR)	7 (6)	7.5 (6)
	Range	1--23	2–21
Oxygen flow (L/min)	N	52	53	0.009
	Median (IQR)	4 (4.5)	2 (5)
	Range	0–15	0–15
Variable		Cases	Controls	p -Value (Pearson’s Chi-Square Test)
Need for oxygen supplementation	no	10 (19.23%)	23 (43.40%)	0.008
	yes	42 (80.77%)	30 (56.60%)
Need for invasive ventilation	no	52 (100.00%)	52 (98.11%)	0.32
	yes	0 (0.00%)	1 (1.89%)
Need for high-flow oxygen therapy	no	43 (82.69%)	52 (98.11%)	0.007
	yes	9 (17.31%)	1 (1.89%)
Need for ICU admission	no	50 (96.15%)	52 (98.11%)	0.547