Table 3 Clinical characteristics of community acquired pneumonia patients with different etiology
Flu A | Flu B | ADV | PIV-1 | PIV-3 | Rhv | HCoV OC43 | Dual-virus | Virus positive | Virus negative | P values** | |
|---|---|---|---|---|---|---|---|---|---|---|---|
Cases | 24 | 5 | 2 | 2 | 10 | 2 | 2 | 5 | 52 | 97 | |
Demographic data | |||||||||||
Age (Median [IQR], yrs) | 74(32–80) | 47(36–73) | 21(20–23) | 72(65–78) | 63(40–70) | 72(66–77) | 71(67–74) | 59(45–65) | 62(32–79) | 60(36–75) | 0.961 |
Male/Female | 15/9 | 3/2 | 1/1 | 2/0 | 3/7 | 2/0 | 0/2 | 3/1 | 29/23 | 55/42 | 0.913 |
Sick contact* | 5(20.8) | 1(20.0) | 0 | 0 | 1(10.0) | 0 | 0 | 2(40.0) | 9(17.3) | 10(10.3) | 0.222 |
Current smoking | 3(12.5) | 1(20.0) | 0 | 0 | 2(20.0) | 0 | 0 | 1(25.0) | 7(13.5) | 19(19.6) | 0.348 |
Clinical symptoms | |||||||||||
Fever ≥ 39°C | 14(58.3) | 3(60.0) | 2(100) | 1(50.0) | 6(60.0) | 1(50.0) | 0 | 4(80.0) | 31(59.6) | 49(50.5) | 0.288 |
Headache | 8(33.3) | 3(60.0) | 1(50.0) | 0 | 9(90.0) | 1(50.0) | 0 | 3(60.0) | 25(48.1) | 47(48.5) | 0.965 |
Mylgia | 10(41.7) | 3(60.0) | 1(50.0) | 0 | 0 | 0 | 0 | 3(60.0) | 17(32.7) | 33(34.0) | 0.870 |
Fatigue | 14(58.3) | 4(80.0) | 1(50.0) | 1(50.0) | 8(80.0) | 1(50.0) | 0 | 3(60.0) | 32(61.5) | 46(47.4) | 0.100 |
Coryza | 10(41.7) | 2(40.0) | 1(50.0) | 0 | 4(40.0) | 1(50.0) | 0 | 3(60.0) | 21(40.4) | 28(28.9) | 0.154 |
Sore throat | 10(41.7) | 2(40.0) | 2(100.0) | 0 | 4(40.0) | 2(100) | 1(50.0) | 4(80.0) | 25(48.1) | 30(30.9) | 0.038 |
Dry cough | 2(8.3) | 1(20.0) | 1(50.0) | 0 | 0 | 0 | 0 | 0 | 4(7.7) | 9(9.3) | 0.982 |
Purulent sputum | 12(50.0) | 2(40.0) | 1(50.0) | 1(50.0) | 5(50.0) | 1(50.0) | 0 | 4(80.0) | 26(50.0) | 49(50.5) | 0.777 |
Hemoptysis | 2(8.3) | 0 | 0 | 0 | 2(20.0) | 0 | 0 | 0 | 4(7.7) | 3(3.1) | 0.391 |
Chest tightness or pain | 6(25.0) | 0 | 0 | 0 | 1(10.0) | 2(100) | 1(50.0) | 0 | 10(19.2) | 22(22.7) | 0.625 |
Dyspnea | 12(50.0) | 3(60.0) | 0 | 1(50.0) | 4(40.0) | 0 | 1(50.0) | 0 | 21(40.4) | 33(34.0) | 0.441 |
Gastrointestinal symptoms | 5(20.8) | 1(20.0) | 0 | 0 | 1(10.0) | 1(50.0) | 0 | 1(20) | 9(17.3) | 15(15.5) | 0.770 |
Laboratory results | |||||||||||
Leukocytosis† | 8(33.3) | 0 | 1(50.0) | 1(50.0) | 1(10.0) | 1(50.0) | 1(50.0) | 0 | 13(25.0) | 43(44.8) | 0.020 |
Neutrophilia§ | 8(33.3) | 0 | 1(50.0) | 1(50.0) | 1(10.0) | 1(50.0) | 1(50.0) | 0 | 13(25.0) | 39(40.6) | 0.063 |
Lymphopenia‡ | 6(25.0) | 0 | 0 | 1(50.0) | 1(10.0) | 0 | 0 | 0 | 7(13.5) | 9(9.4) | 0.432 |
ESR > 20 mm/h|| | 9(81.8) | NA | 0 | 1(100.0) | 4(80.0) | 1(100) | 1(100) | 2(66.6) | 18(78.3) | 45(83.3) | 0.597 |
PaO2 < 80 mmHg|| | 10(41.7) | 2(40.0) | 1(50.0) | 1(50.0) | 3(75.0) | 2(100) | 1(50.0) | 1(50.0) | 21(67.7) | 26(61.9) | 0.607 |