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Table 1 Baseline characteristics, morbidities, complications, outcomes of respiratory syncytial virus (RSV) and influenza infection cases, 2013-2015

From: Risk of mortality associated with respiratory syncytial virus and influenza infection in adults

Variables Influenza A or B (N = 312) RSV (N = 87) P value
Male, n (%) 153 (49.0) 47 (54.0) 0.41
Age (years) mean (SD) 62.6 (17.1) 70.0 (12.2) < 0.01
Resident of long-term care facilities, n (%) 6 (1.9) 9 (10.3) < 0.01
Malignancy, n (%) 32 (10.3) 12 (13.8) 0.35
Congestive heart failure, n (%) 23 (7.4) 8 (9.2) 0.57
Cerebrovascular accident, n (%) 39 (12.5) 11 (12.6) 0.97
Chronic kidney disease, n (%) 38 (12.2) 16 (18.4) 0.13
Diabetes, n (%) 80 (25.6) 24 (27.6) 0.71
Liver disease, n (%) 25 (8.0) 7 (8.0) 0.99
Chronic obstructive pulmonary disease, n (%) 15 (4.8) 11 (12.6) < 0.01
Asthma, n (%) 20 (6.4) 3 (3.4) 0.29
Body temperature > 37.5 °C, n (%) 110 (35.3) 17 (19.5) < 0.01
Pneumonia, n (%) 78 (25.0) 34 (39.1) < 0.01
Respiratory bacterial superinfection, n (%) 32 (10.3) 16 (18.4) 0.05
Hypoxemia, n (%) 93 (29.8) 38 (43.7) 0.01
Mechanical ventilation, n (%) 7 (2.2) 3 (3.4) 0.52
PSI score, mean (SD) 86.5 (34.9) 107.5 (30.0) < 0.01
Twenty-day all-cause mortality (%) 21 (6.7) 16 (18.4) < 0.01
Sixty-day all-cause mortality (%) 38 (12.2) 22 (25.3) < 0.01
  1. PSI pneumonia severity index, SD standard deviation
  2. PSI was calculated in all patients with or without pneumonia
  3. The body temperature was imputed for 52 patients