Table 1.

Baseline characteristics of patients included in our analysis.

Characteristics	Antibody titers		OR	95%CI	p
	>1:320 (n = 50)	<1:320 (n = 33)
Age (years)	37 (23–55)	35 (19–59)	1.18	0.53–2.63	0.679
Male, n (%)	38 (76.0)	21 (63.6)	1.81	0.69–4.73	0.227
Symptoms, n (%)
Diarrhea	9 (18.0)	5 (15.2)	1.23	0.37–4.06	0.735
Fever	46 (92.0)	6 (18.2)	51.75	13.40–199.91	<0.0001
Cough	45 (90.0)	3 (9.1)	90.00	20.00–404.99	<0.0001
Dysgeusia	6 (12.0)	3 (9.1)	1.36	0.32–5.88	0.677
Dyspnea	35 (70.0)	1 (3.0)	74.67	9.33–597.81	<0.0001
Pneumonia	32 (65.3)	1 (3.0)	56.89	7.16–451.93	<0.0001
Comorbidity, n (%)
No comorbidity	39 (78.0)	30 (90.9)	0.36	0.09–1.39	0.136
Obesity	4 (8.0)	1 (3.0)	2.78	0.30–26.07	0.370
Overweight	2 (4.0)	0 (0.0)	3.45	0.16–74.26	0.429
Diabetes	1 (2.0)	2 (6.1)	0.32	0.03–3.64	0.356
Hypertension	4 (8.0)	0 (0.0)	6.48	0.34–124.54	0.215
Laboratory findings
Hemoglobin (gr/dl)	14.7 (11.1–17.1)	14.5 (12.1–16.7)	1.00	0.45–2.22	1.000
Leukocytes (/μl)	6980 (4750–11570)	6650 (4320–13440)	1.14	0.51–2.53	0.748
Thrombocyte (x103/mm3)	276 (66–430)	258 (66–429)	1.64	0.74–3.65	0.226
Eosinophils (Abs)	0.19 (0.02–0.42)	0.17 (0.01–0.61)	5.06	2.20–11.66	<0.0001
Basophils (Abs)	0.03 (0.00–0.09)	0.03 (0.01–0.07)	1.00	0.45–2.22	1.000
Neutrophils (Abs)	3.76 (1.58–8.60)	3.70 (2.17–9.98)	1.06	0.48–2.36	0.884
Lymphocytes (Abs)	2.36 (1.44–3.81)	2.23 (1.16–3.85)	1.19	0.54–2.65	0.665
NLR	1.62 (0.52–4.32)	1.60 (0.89–4.67)	1.48	0.67–3.30	0.334
Immature granulocytes	0.03 (0.01–0.10)	0.02 (0.01–0.07)	6.13	2.64–14.26	<0.0001
Total proteins (gr/dl)	7.73 ± 0.46	7.85 ± 0.41	0.61	0.27–1.36	0.227
Albumins (gr/dl)	4.70 ± 0.34	4.86 ± 0.30	0.41	0.18–0.92	0.030
Globulins (gr/dl)	3.03 ± 0.34	2.99 ± 0.37	1.23	0.55–2.73	0.613
Total cholesterols (mg/dl)	199 (136–343)	203 (127–389)	0.93	0.42–2.07	0.866

Note, data were presented as mean ± SD or n (%); NLR, neutrophil-lymphocyte ratio; OR, odd ratio, CI, confidence interval.