Table 2.

Multivariate comparisons in X-ray infiltration by gender

X -ray infiltration	Male (n = 18) (9.6)	Female (n = 16) (7.6)	All 34 (8.5)	P value
Age (years)	57.8 ± 17.1	45.9 ± 19.2	52.2 ± 18.8	0.001^a
Imported	11 (61.1)	13 (81.3)	24 (70.6)	0.002^a
Indigenous	7 (38.9)	3 (18.8)	10 (29.4)	0.009^a
Incubation period	4.0 ± 2.9	5.0 ± 5.3	4.3 ± 3.5	0.095
Symptoms to diagnosis	9.9 ± 8.9	9.7 ± 9.3	9.8 ± 9.0	0.002^a
Diabetes mellitus	2 (11.1)	0 (0)	2 (5.9)	0.007^a
Hypertension	2 (11.1)	0 (0)	2 (5.9)	0.038^a
Uremia	1 (5.6)	0 (0)	1 (2.9)	0.085
Fever	12 (66.7)	11 (68.8)	23 (67.6)	0.001^a
Cough	9 (50)	11 (68.8)	20 (58.8)	0.027^a
Headache	3 (16.7)	3 (18.8)	6 (17.6)	0.057
Muscle pain	5 (27.8)	2 (12.5)	7 (20.6)	0.098
Throat pain	2 (11.1)	6 (37.5)	8 (23.5)	0.408
Rhinorrhea	7 (38.9)	4 (25)	11 (32.4)	0.196
Chest pain	1 (5.6)	1 (6.3)	2 (5.9)	0.496
Diarrhoea	2 (11.1)	0 (0)	2 (5.9)	0.493
Dyspnoea	3 (16.7)	4 (25)	7 (20.6)	<0.001^a
Anosmia	1 (5.6)	2 (12.5)	3 (8.8)	0.410
Malaise	4 (22.2)	3 (18.8)	7 (20.6)	0.172
Intubated	2 (11.1)	0 (0)	2 (5.9)	0.020^a
ICU admission	2 (11.1)	0 (0)	2 (5.9)	0.020^a
Mortality	4 (22.2)	1 (6.3)	5 (14.7)	<0.001^a
Asymptomatic	0 (0)	0 (0)	0 (0)	0.212

ICU, intensive care unit.

Statistical significance.