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Table 1 Demographic and clinical characteristics of the patients

From: COVID-19 infection: epidemiological, clinical, and radiological expression among adult population

  All patients (n = 240) Non-severe cases (n = 186) Severe cases (n = 54) P value
Age (years)     .000
 Mean ± SD (median) 45.82 ± 16.74 (44.0) 41.88 ± 14.55 (42.00) 59.37 ± 16.67 (62.00)
 Range 18–85 18–75 20–85
Age groups     .000
 ≥ 65 years 36 (15.0%) 10 (5.4%) 26 (48.1%)
 < 65 years 204 (85.0%) 176 (94.6) 28 (51.9%)
Gender     .000
 Male 140 (58.3%) 96 (51.6%) 44 (81.5%)
 Females 100 (41.7%) 90 (48.4%) 10 (18.5%)
Smoking history     .006
 Smoker 116 (48.3%) 81 (43.5 %) 35 (64.8%)
 Non-smoker 124 (51.7%) 105 (56.5%) 19 (35.2%)
Source of infection     0.67
 Known source 148 (61.7%) 116 (62.4 %) 32 (59.3%)
 Unknown source 92 (38.3 %) 70 (37.6 %) 22 (40.7%)
Body temperature     .001
 ≤ 38 °C 142 (59.2%) 122 (65.6%) 20 (37.0%)
 > 38–39 °C 94 (39.2%) 62 (33.3%) 32 (59.3%)
 > 39 °C 4 (1.7%) 2 (1.1%) 2 (3.7%)
Malaise 150 (62.5%) 120 (64.5%) 30 (55.6%) 0.23
Bone ache/myalgia 142 (59.2%) 104 (55.9%) 38 (70.4%) 0.06
Loss of taste/smell 94 (39.2%) 92 (49.5%) 2 (3.7%) .000
Headache 76 (31.7%) 68 (36.6%) 8 (14.8%) 0.002
Sore throat 102 (42.5%) 96 (51.6%) 6 (11.1%) .000
Runny nose 86 (35.8%) 86 (46.2%) 0 (0.0%) .000
Dry cough 202 (84.2%) 164 (88.2%) 38 (70.4%) 0.002
Dyspnea 106 (44.2%) 58 (31.2%) 48 (88.9%) .000
Chest tightness 176 (73.3%) 130 (69.9%) 46 (85.2%) 0.02
Chest pain 4 (1.7%) 0 (0.0%) 4 (7.4%) .000
Expectoration 38 (15.8%) 16 (8.6%) 22 (40.7%) .000
Abdominal pain 86 (35.8%) 74 (39.8%) 12 (22.2%) .01
Diarrhea 70 (29.2%)
170 (70.8%)
62 (33.3%)
124 (66.7%)
8 (14.8%)
46 (85.2%)
.008
Cardiovascular diseases 6 (2.5%) 4 (2.2%) 2 (3.7%) .52
Cerebrovascular disorders 4 (1.7%) 0 (0.0%) 4 (7.4%) .000
HTN 54 (22.5%) 30 (16.1%) 24 (44.4%) .000
DM 92 (38.3%) 66 (35.5%) 26 (48.1%) .09
Other diseases 32 (13.3%) 30 (16.1%) 2 (3.7%) .01
O2 saturation     .000
Mean ± SD 92.43 ± 8.48 96.01 ± 3.44 80.07 ± 9.11
 ≤ 93 82 (34.2%) 32 (17.2%) 50 (92.6%)
 > 93 158 (65.8%) 154 (82.8%) 4 (7.4%)
ICU admission 48 (20.0%) 8 (4.3%) 40 (74.1%) .000
Disease outcome     .000
 Improvement 212 (88.3%) 186 (100%) 26 (48.1%)
 Death 28 (11.7%) 0 (0.0%) 28 (51.9%)
  1. P values comparing non-severe cases and severe cases are from χ2 test, Fisher’s exact test, or Mann-Whitney U test. A P value of less than 0.05 was regarded as statistically significant