Table 3. Prevalence (%) of symptoms on admission to hospital, SARS patients, Guangdong, China, November 2002–April 2003a.
| Variable | All (n = 662) | Adults (18–64 y) (n = 534) | Children (<18 y) (n = 51) | OR (95% CI) | p | Older persons (> 65 y) (n = 66) | OR (95% CI) | p |
|---|---|---|---|---|---|---|---|---|
| Fever | 97.4 | 97.4 | 98.0 | 1.4 (0.2 to 29.3) | 98.5 | 1.8 (0.3 to 37.9) | ||
| Chills | 51.8 | 56.0 | 31.4 | 0.4 (0.2 to 0.7) | 0.002 | 37.9 | 0.5 (0.3 to 0.8) | 0.008 |
| Malaise | 42.3 | 45.7 | 23.5 | 0.4 (0.2 to 0.7) | 0.004 | 31.8 | 0.5 (0.3 to 1.0) | |
| Headache | 40.0 | 42.1 | 25.5 | 0.5 (0.2 to 0.9) | 0.03 | 43.1 | 0.7 (0.4 to 1.3) | |
| Muscle ache | 30.8 | 35.0 | 5.9 | 0.1 (0.0 to 0.3) | <0.001 | 16.7 | 0.4 (0.2 to 0.7) | 0.004 |
| Cough | 69.8 | 60.0 | 82.4 | 2.2 (1.1 to 4.9) | 0.05 | 80.3 | 1.9 (1.1 to 3.8) | 0.05 |
| Sputum | 38.2 | 36.9 | 39.2 | 1.7 (0.9 to 3.3) | 51.5 | 1.8 (1.1 to 3.1) | 0.03 | |
| Sore throat | 16.3 | 16.7 | 25.5 | 1.1 (0.6 to 2.0) | 6.1 | 0.3 (0.1 to 0.8) | 0.04 | |
| Runny nose | 7.4 | 6.7 | 15.7 | 2.6 (1.1 to 5.7) | 0.04 | 7.6 | 1.1 (0.4 to 2.8) | |
| Breathing difficulty | 26.7 | 27.0 | 11.8 | 0.4 (0.1 to 0.8) | 0.03 | 43.3 | 1.8 (1 to 3.0) | 0.05 |
| Nausea | 8.8 | 9.4 | 5.9 | 0.6 (0.1 to 1.8) | 7.6 | 0.8 (0.3 to 2.0) | ||
| Vomiting | 6.2 | 6.0 | 7.8 | 1.3 (0.4 to 3.7) | 7.6 | 1.3 (0.4 to 3.3) | ||
| Diarrhea | 8.6 | 9.0 | 7.8 | 0.9 (0.3 to 2.3) | 7.6 | 0.8 (0.3 to 2.2) |
aSARS, severe acute respiratory syndrome; OR, odds ratio, using adults as the reference group; CI, confidence interval.