Table 1 Demographic and clinical characteristics of 1266 patients with severe acute respiratory infection
Patient characteristics | All patients (n = 1266) |
|---|---|
Age [years, x ± s] | 54 ± 18 |
Age distribution [n (%)] | |
≤ 14 years old | 46 (3.6) |
15–60 years old | 669 (52.8) |
> 60 years old | 551 (43.6) |
Sex [n (%)] | |
Male | 780 (61.6) |
Female | 486 (38.4) |
Geographic distribution [n (%)] | |
Henan Province | 1212 (95.7) |
Other provinces | 54 (4.3) |
Occupation type [n (%)] | |
Farmer | 778 (61.4) |
Retiree | 97 (7.6) |
Student | 83 (6.6) |
Worker | 92 (7.2) |
Cadres and office clerk | 186 (14.6) |
Others | 5 (0.4) |
Unknown | 25 (1.9) |
Year of visit [n (%)] | |
2018 | 39 (3.1) |
2019 | 103 (8.1) |
2020 | 1124 (88.8) |
Season at the time of visit [n (%)] | |
Spring | 120 (9.5) |
Summer | 402 (31.8) |
Autumn | 608 (48.0) |
Winter | 136 (10.7) |
Patient distribution [n (%)] | |
Emergency ward | 421 (33.2) |
Respiratory ward | 420 (33.2) |
Internal medicine ward | 83 (6.6) |
Surgical ward | 66 (5.2) |
Paediatric ward | 27 (2.1) |
ICU | 249 (19.7) |
Time from onset to treatment [d, x ± s] | 2 ± 1 |
Major respiratory symptoms and signs [n (%)] | |
Fever | 1122 (86.8) |
Cough | 986 (77.8) |
Expectoration | 462 (36.4) |
Shortness of breath | 253 (19.9) |
Difficulty breathing | 618 (48.8) |
Chest pain | 119 (9.4) |
Pulmonary rales | 224 (17.7) |
Concomitant symptoms [n (%)] | |
Headache | 74 (5.8) |
Weakness | 152 (12.0) |
Abdominal pain | 65 (5.1) |
Nausea | 30 (2.4) |
Dizziness | 38 (3.0) |
Arthralgia | 22 (1.7) |
Chest imaging [n (%)] | |
Unremarkable | 21 (1.6) |
Pulmonary exudation | 144 (11.4) |
Pulmonary hyperinflation | 130 (10.3) |
Pleural effusions | 419 (33.1) |
Lymphadenectasis | 99 (7.8) |
Not checked | 290 (22.9) |
Chronic medical conditions [n (%)] | |
Heart disease | 107 (8.4) |
Hypertension | 247 (19.5) |
Diabetes mellitus | 111 (8.7) |
Chronic respiratory disease | 21 (1.6) |
CKD | 12 (0.9) |
Use of antibiotics before admission [n (%)] | |
Yes | 135 (10.7) |
No | 895 (70.7) |
Unclear | 236 (18.6) |
Special respiratory specimens [n (%)] | |
BALF | 828 (65.4) |
Thoracentesis fluid | 104 (8.2) |
Single infection [n (%)] | 385 (30.4) |
Multiple infections [n (%)] | |
Two pathogens | 208 (16.4) |
Three pathogens | 113 (8.9) |
Four or more pathogens | 40 (3.1) |