Table 1.
Baseline characteristics of patients infected with COVID-19.
| Variables | Total (n = 388) | Normotension (n = 313) | Hypertension (n = 75) | p value |
|---|---|---|---|---|
| Age (mean, year) | 47.5 ± 15.2 | 44.5 ± 11.9 | 60.2 ± 14.2 | < 0.001 |
| Gender (male), n (%) | 197 (50.8%) | 159 (50.8) | 38 (50.7) | 0.984 |
| SBP (mean, mmHg) | 126.6 ± 14.8 | 123.8 ± 13.2 | 138.5 ± 15.2 | < 0.001 |
| DBP ( mean, mmHg) | 79.7 ± 10.9 | 78.2 ± 10.2 | 86.2 ± 11.4 | < 0.001 |
| Temperature (mean, ℃) | 37.0 ± 0.69 | 37.0 ± 0.7 | 36.9 ± 0.8 | 0.498 |
| Heart rate (mean, bpm) | 86.7 ± 12.7 | 86.0 ± 12.1 | 89.8 ± 14.9 | ≤ 0.05 |
| Symptoms (n, %) | ||||
| Fever | 227 (58.4) | 126 (40.3) | 40 (53.3) | ≤ 0.05 |
| Cough | 217 (55.8) | 173 (55.3) | 44 (58.7) | 0.361 |
| Fatigue | 67 (17.2) | 256 (81.8) | 10 (13.3) | < 0.001 |
| Sputum production | 56 (14.4) | 7 (2.2) | 9 (12.0) | < 0.001 |
| Shortness of breath | 36 (9.3) | 4 (1.3) | 13 (17.3) | < 0.001 |
| Muscle ache | 16 (4.1) | 13 (4.2) | 3 (4.0) | 0.952 |
| Diarrhea | 10 (2.6) | 8 (2.6) | 2 (2.7) | 0.957 |
| Chest tightness | 7 (1.8) | 4 (1.3) | 3 (4.0) | 0.135 |
| Sore throat | 15 (3.9) | 14 (4.5) | 1 (1.3) | 0.321 |
| Rhinorrhea | 10 (2.6) | 7 (2.2) | 1 (1.3) | 0.621 |
| Headache | 16 (4.1) | 14 (4.5) | 2 (2.7) | 0.747 |
| Any comorbidity (n, %) | ||||
| Diabetes | 50 (12.9) | 27 (8.6) | 23 (30.7) | < 0.001 |
| Chronic liver disease | 27 (6.9) | 23 (7.3) | 4 (5.3) | 0.800 |
| Coronary heart disease | 22 (5.7) | 6 (1.9) | 16 (21.3) | < 0.001 |
| Chronic obstructive pulmonary disease | 22 (5.7) | 15 (4.8) | 7 (9.3) | 0.160 |
| Hyperlipidaemia | 13 (3.3) | 11 (3.5) | 2 (2.7) | 0.957 |
| Cerebrovascular disease | 13 (3.3) | 6 (1.9) | 7 (9.3) | < 0.005 |
| Chronic kidney disease | 10 (2.6) | 5 (1.6) | 5 (6.7) | ≤ 0.05 |
| Arrhythmia | 3 (0.8) | 2 (0.6) | 1 (1.3) | 0.476 |