From: FluA-p score: a novel prediction rule for mortality in influenza A-related pneumonia patients
Variable | Total (n = 693) | Deceased group (n = 136) | Survival group (n = 557) | p-value |
---|---|---|---|---|
Male (n, %) | 461 (66.5) | 92 (67.6) | 369 (66.2) | 0.757 |
Age ≥ 65 years (n, %) | 272 (39.2) | 60 (44.1) | 212 (38.1) | 0.195 |
Obesity (n, %)a | 48 (6.9) | 0 (0.0) | 48 (8.6) | < 0.001 |
Pregnancy (n, %) | 8 (1.2) | 0 (0.0) | 8 (1.4) | 0.338 |
Smoking history (n, %)a | 243 (35.1) | 68 (50.0) | 175 (31.4) | < 0.001 |
Comorbidities (n, %) | ||||
 Cardiovascular diseasea | 136 (19.6) | 48 (35.3) | 88 (15.8) | < 0.001 |
 Diabetes mellitus | 92 (13.3) | 14 (10.3) | 78 (14.0) | 0.253 |
 Cerebrovascular disease | 72 (10.4) | 10 (7.4) | 62 (11.1) | 0.195 |
 COPDa | 40 (5.8) | 3 (2.2) | 37 (6.6) | 0.047 |
 Asthma | 19 (2.7) | 2 (1.5) | 17 (3.1) | 0.222 |
 Chronic kidney disease | 16 (2.3) | 6 (4.4) | 10 (1.8) | 0.139 |
 Malignant solid tumor | 16 (2.3) | 0 (0.0) | 16 (2.9) | 0.193 |
Clinical and radiologic characteristics (n, %) | ||||
 Respiratory rates ≥30 times/min | 121 (17.5) | 25 (18.4) | 96 (17.2) | 0.752 |
 Mental confusiona | 32 (4.6) | 32 (23.5) | 0 (0.0) | < 0.001 |
 SBP < 90 mmHg | 8 (1.2) | 0 (0.0) | 8 (1.4) | 0.338 |
 Leukocytes > 10 × 109/La | 118 (17.0) | 42 (30.9) | 76 (13.6) | < 0.001 |
 Lymphocytes < 0.8 × 109/La | 299/677 (44.2) | 120 (88.2) | 179/541 (33.1) | < 0.001 |
 Hb < 100 g/La | 69 (10.0) | 34 (25.0) | 35 (6.3) | < 0.001 |
 ALB < 35 g/La | 58/639 (9.1) | 12/131 (9.2) | 46/508 (9.1) | 0.970 |
 BUN > 7 mmol/La | 183/685 (26.7) | 97 (71.3) | 86/549 (15.7) | < 0.001 |
 BG > 14 mmol/L | 8 (1.2) | 0 (0.0) | 8 (1.4) | 0.288 |
 Arterial PH < 7.35a | 120/639 (18.8) | 60 (44.1) | 60/503 (11.9) | < 0.001 |
 pO2/FiO2 ≤ 250 mmHga | 172/639 (26.9) | 28 (20.6) | 144/503 (28.6) | 0.061 |
 Multilobar infiltratesa | 546 (78.8) | 120 (88.2) | 426 (76.5) | 0.003 |
 Pleural effusiona | 120 (17.3) | 36 (26.5) | 84 (15.1) | < 0.001 |
Coinfections (n, %)a | 265 (38.2) | 84 (61.8) | 181 (32.5) | < 0.001 |
Early NAI use (n, %)a | 232 (33.5) | 60 (43.4) | 172 (30.9) | 0.003 |
Systemic corticosteroid use (n, %)a | 132 (19.0) | 60 (44.1) | 72 (12.9) | < 0.001 |
Noninvasive ventilation (n,%) | 159 (22.9) | 71 (52.2) | 88 (15.8) | < 0.001 |
Invasive ventilation (n,%) | 158 (22.8) | 86 (63.2) | 72 (12.9) | < 0.001 |
Admittance to ICU (n,%) | 176 (25.4) | 92 (67.6) | 84 (15.1) | < 0.001 |