Table 4 Patients’ characteristics according to in-hospital length of stay.
From: Burden of critically ill patients with influenza in a French catchment population
Total n = 201 | ≤ 24 days n = 102 | > 24 days n = 99 | Univariate analysis p | Multivariate anlaysis | ||
---|---|---|---|---|---|---|
OR (95% CI) | p | |||||
Age (years) | 63 ± 16 | 64 ± 17 | 62 ± 15 | 0.18 | 0.99 (0.97–1.01) | 0.31 |
Male sex | 107 (53) | 55 (54) | 52 (53) | 0.82 | 0.91 (0.50–1.65) | 0.75 |
BMI (kg/m2) | 27 ± 7.2 | 27 ± 7.6 | 27 ± 6.8 | 0.83 | ||
No comorbidity | 19 (9.4) | 7 (6.9) | 12 (12 | 0.20 | ||
Immune depression | 47 (23) | 23 (23) | 24 (24) | 0.78 | ||
Chronic pulmonary disease | 71 (35 | 43 (42) | 28 (28) | 0.04 | 0.79 (0.41–1.53) | 0.49 |
Chronic heart disease | 42 (21) | 22 (22) | 20 (20) | 0.81 | ||
Symptom duration before ICU (days) | 5.1 ± 5.0 | 4.6 ± 4.1 | 5.7 ± 5.7 | 0.36 | ||
Viral subtype | 0.30 | |||||
Influenza A(H1N1)pdm | 102 (51) | 52 (51) | 50 (51) | – | 0.82 (0.43–1.54) | 0.53 |
Other Type A | 69 (34) | 31 (30) | 38 (38) | – | ||
Type B | 30 (15) | 19 (19) | 11 (11) | – | ||
Bacterial coinfection at admission | 48 (24) | 19 (19) | 29 (29) | 0.09 | 1.40 (0.68–2.86) | 0.36 |
SAPS II | 44 ± 17 | 45 ± 19 | 43 ± 15 | 0.70 | ||
SOFA score at admission | 8.0 ± 4.2 | 6.9 ± 4.0 | 9.1 ± 4.1 | 0.001 | 1.12 (1.04–1.29) | 0.005 |