Table 1 Demographic and clinical data of the patients participated in the study

Age (years) (mean ± SD)

47.7 ± 18.3

50.9 ± 18.1

49.8 ± 17.7

0.01*

Sex

 Male

171 (29.6%)

283 (48.2%)

133 (22.7%)

0.1

 Female

270 (32%)

396 (48.4%)

152 (18.6%)

Risk factors and comorbidities

 DM

  Yes

101 (22.9%)

155 (45.5%)

85 (24.9%)

0.05*

  No

340 (77.1%)

524 (49.2%)

200 (18.8%)

 HTN

  Yes

138 (30.5%)

209 (46.2%)

105 (23.2%)

0.2

  No

303 (31.8%)

470 (49.3%)

180 (18.9%)

 Cardiac

  Yes

68 (28.5%)

119 (49.8%)

52 (21.8%)

0.4

  No

373 (33%)

526 (46.5%)

233 (20.6%)

 HCV

  Yes

77 (33.9%)

107 (47.1%)

43 (18.9%)

0.7

  No

364 (31.9%)

535 (46.9%)

242 (21.2%)

 Smoking

  Yes

101 (26.1%)

204 (52.7%)

82 (21.2%)

0.006*

  No

340 (34.7%)

438 (44.6%)

203 (20.7%)

 Pregnancy

  No

258 (33.9%)

361 (47.5%)

141 (18.6%)

0.09

  Yes

12 (20.7%)

35 (60.3%)

11 (19%)

Initial COVID-19 presentation

 Fever

–

126 (66%)

65 (34%)

0.2

 Respiratory

–

33 (71.1%)

13 (28.3%)

 Anosmia and loss of taste

–

48 (54.5%)

40 (45.5%)

 Neurological

–

23 (57.5%)

17 (42.5%)

 Mixed

–

74 (61.7%)

46 (38.3%)

Severity of respiratory symptoms

0.1

 Mild

17 (51.5%)

9 (69.2%)

 Moderate

13 (39.4%)

4 (30.8%)

 Severe

3 (9.1%)

0 (0%)

Mortality

Improvement

47 (33.3%)

69 (48.9%)

25 (17.7%)

0.2

Death

20 (23%)

53 (60.9%)

14 (16.1%)