Table 3.

Factors associated with COVID-19 clearance time (Kaplan-Meier analysis)

Factor	Category	Clearance time (days)		Log-rank
		Mean	95% CI
Age (y)	≤37	22.0	20.2	23.8
	>37	24.0	21.7	26.2	0.037*
Gender	Male	22.6	20.8	24.3
	Female	23.2	21.0	25.4	0.229
Marital status	Single	20.8	18.5	23.2
	Married	23.9	22.2	25.7	0.021*
Profession	Employed	23.3	21.5	25.1
	Non-employed	22.0	19.8	24.1	0.172
Job sector	Healthcare	24.2	21.7	26.7
	Non-healthcare	21.8	20.3	23.3	0.006*
Residency	Cluster	20.6	17.9	23.4
	Outside cluster	23.8	22.2	25.4	0.134
Sleep quality	Satisfactory	23.1	21.4	24.7
	Unsatisfactory	22.4	19.6	25.2	0.944
Smoking status	Active smoker	22.6	20.5	24.6
	Non-smoker	23.0	21.2	24.9	0.472
Physical exercise	Regular	21.2	18.8	23.6
	Irregular	23.6	21.8	25.3	0.076
Dietary habits	Healthy	21.6	18.4	24.8
	Unhealthy	23.3	21.8	24.9	0.631
Any chronic disease	No	21.9	20.3	23.6
	Yes	24.8	22.1	27.5	0.028*
No. symptoms	0	21.9	18.3	25.5
	1-2	23.3	20.7	25.8
	3	23.0	20.4	25.5
	4+	23.0	20.0	26.0	0.808
Severity level	Asymptomatic	22.1	17.6	26.5
	Mild	22.0	20.3	23.6
	Moderate	27.2	24.4	30.0	0.098
Lung involvement	No	22.6	20.7	24.4
	Yes	23.6	21.5	25.6	0.887
Anemia	No	23.1	21.4	24.8
	Yes	22.4	19.9	24.9	0.441
Leukocytes	Normal	22.4	20.6	24.1
	Leukocytosis	30.5	11.9	49.1
	Leukopenia	23.7	21.3	26.1	0.293
Antibiotic	No	22.1	20.4	23.9
	Yes	24.7	22.5	27.0	0.290
Antiviral	No	22.0	20.4	23.5
	Yes	26.6	23.9	29.3	0.050*

*Statistically significant result (Log rank <0.05)