Table 1.
Demographic and clinical characteristics of 82 confirmed H7N9 patients
| Characteristic | No. of cases (%) | P value* | ||
|---|---|---|---|---|
| Total (n = 82) | The first wave (n = 39) | The second wave (n = 43) | ||
| Male patients | 56 (68.29) | |||
| Age (years) | ||||
| 18–49 | 19(23.17) | 8(20.51) | 11(25.58) | 0.09 |
| 50–64 | 35(42.68) | 13(33.33) | 22(51.16) | |
| ≥65 | 28(34.15) | 18(46.15) | 10(23.26) | |
| Coexisting condition | ||||
| Any | 44(53.66) | 23(84.62) | 21(48.84) | 0.38 |
| Hypertension | 38(46.34) | |||
| Diabetes | 17(20.73) | |||
| Coronary heart disease | 6(7.31) | |||
| Cerebrovascular disease | 4(4.86) | |||
| Chronic obstructive pulmonary disease | 3(3.65) | |||
| Cancersa | 2(2.43) | |||
| Immunosuppressionb | 2(2.43) | |||
| Hepatitis B infection | 1(1.22) | |||
| Pregnancy | 1(1.22) | |||
| Symptoms | ||||
| Fever | 82(100) | |||
| Cough | 73(89.02) | |||
| Sputum production | 52(63.41) | |||
| Shortness of breath | 52(63.41) | |||
| Fatigue/weekness | 32(39.02) | |||
| Hemoptysis | 17(20.73) | |||
| Gastrointestinal symptomc | 11(3.41) | |||
aCancers included leukemia and lymphoma
bImmunosuppression caused by the immunosuppressive drug after renal transplantation
cGastrointestinal symptom included nausea, vomiting, diarrhea, and abdominal pain
*The p value was calculated between the first and second H7N9 wave