Table 2.
Clinical characteristics of people presenting to screening clinic with symptoms. Values are numbers (percentage) of patients
| Characteristic | Total (n=515) | Patients without SARS (n=418) | Patients with SARS (n=97) | P value* |
|---|---|---|---|---|
| Clinical features (No (%) of patients) | ||||
| Fever | 233 (45) | 154 (37) | 79 (81) | <0.0001 |
| Chills | 139 (27) | 87 (21) | 52 (54) | <0.0001 |
| Malaise | 118 (23) | 85 (20) | 33 (34) | 0.004 |
| Myalgia | 76 (15) | 50 (12) | 26 (27) | 0.0002 |
| Rigor | 27 (5) | 15 (4) | 12 (12) | 0.0005 |
| Neck pain | 4 (<1) | 1 (0.2) | 3 (3) | 0.004 |
| Cough | 363 (70) | 301 (72) | 62 (64) | 0.12 |
| Sputum | 146 (28) | 121 (29) | 25 (26) | 0.52 |
| Sore throat | 195 (38) | 161 (39) | 34 (35) | 0.53 |
| Runny nose | 161 (31) | 136 (33) | 25 (26) | 0.20 |
| Chest pain | 5 (1) | 4 (1) | 1 (1) | 0.95 |
| Shortness of breath | 40 (8) | 28 (7) | 12 (12) | 0.04 |
| Loss of appetite | 9 (2) | 4 (1) | 5 (5) | 0.005 |
| Vomiting | 15 (3) | 9 (2) | 6 (6) | 0.03 |
| Abdominal pain | 11 (2) | 7 (2) | 4 (4) | 0.14 |
| Diarrhoea | 19 (4) | 12 (3) | 7 (7) | 0.04 |
| Night sweats | 3 (<1) | 2 (0.5) | 1 (1) | 0.52 |
| Anorexia | 5 (1) | 5 (1) | 0 (0) | 0.28 |
| Headache | 110 (21) | 85 (20) | 25 (26) | 0.24 |
| Dizziness | 28 (5) | 22 (5) | 6 (6) | 0.72 |
| Rash | 0 | 0 | 0 | |
| Basic observations (mean (SD)) | ||||
| Heart rate per minute | 95.2 (17.4) | 94.0 (17.0) | 104.5 (16.8) | <0.0001 |
| Systolic blood pressure (mm Hg) | 136.6 (19.5) | 137.3 (19.0) | 132.8 (20.8) | 0.04 |
| Diastolic blood pressure (mm Hg) | 75.8 (12.7) | 76.1 (12.8) | 73.7 (12.4) | 0.1 |
| Respiratory rate per minute | 18.6 (3.3) | 18.7 (3.6) | 18.8 (2.0) | 0.74 |
| Highest temperature while at clinic | 37.0 (0.9) | 36.8 (0.8) | 37.9 (0.8) | <0.0001 |
*
χ2 test, Fisher's exact test, or Student's t test.