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Table 1 Characteristics of all SARI patients, and by status (alive/dead)

From: Mortality estimates among adult patients with severe acute respiratory infections from two sentinel hospitals in southern Arizona, United States, 2010–2014

  All patients n = 258 Alive n = 228 Dead n = 30 p value
Demographic Characteristics n (%) n (%) n (%)  
 Age (median, range) 63 (19–97) 62 (19–97) 72 (35–88) 0.006
 Age ≥ 65 years 135 (52%) 113 (50%) 22 (73%) 0.018
 Sex (female) 121 (47%) 108 (47%) 13 (43%) 0.677
Race/Ethnicity     0.874
 Asian 4 (2%) 3 (1%) 1 (3%)  
 African American 6 (2%) 5 (3%) 1 (3%)  
 Hispanic 101 (39%) 89 (40%) 12 (40%)  
 Native American 16 (6%) 15 (7%) 1 (3%)  
 White, non-Hispanic 131 (51%) 116 (49%) 15 (50%)  
Clinical Characteristics
 Duration of hospital stay (median; range) 5 (0–57) 5 (0–57) 6 (0–28) 0.482
 Days to seek care (median; range) 4 (0–10) 4 (0–10) 3 (1–7) 0.288
 Admission to intensive care unit 96 (37%) 74 (32%) 22 (73%) <.0001
 Clinical suspicion of pneumoniaa 184 (71%) 159 (70%) 25 (83%) 0.175
  ≥ 3 Comorbidities 75 (29%) 64 (28%) 11 (36%) 0.332
  ≥ 1 Comorbidity 207 (80%) 180 (78%) 27 (90%) 0.165
  Cardiac disease 69 (26%) 61 (26%) 8 (26%) 0.992
  Hypertension 125 (48%) 108 (47%) 17 (56%) 0.340
  Lung disease 84 (33%) 72 (31%) 12 (40%) 0.357
  Obesity 29 (11%) 26 (11%) 3 (10%) 0.810
  Immunodeficiency 23 (9%) 18 (8%) 5 (17%) 0.122
  Neurological disorder 15 (6%) 13 (6%) 2 (6%) 0.832
Laboratory Resultsb n = 253 n = 223 n = 30  
 Influenza virus (A or B) 47 (19%) 43 (19%) 4 (13%) 0.464
 Parainfluenza virus (1, 2 or 3) 13 (5%) 12 (5%) 1 (3%) 0.653
 Coronavirus (OC43, HKU1, NL63, 229E) 14 (6%) 12 (5%) 2 (6%) 0.750
 Human metapneumovirus 20 (8%) 18 (8%) 2 (6%) 0.754
 Respiratory syncytial virus 8 (3%) 8 (3%) n/a  
 Rhinovirus 10 (4%) 9 (4%) 1 (3%) 0.870
 Any viral pathogenc 113 (45%) 103 (46%) 10 (33%) 0.410
  1. aSix SARI patients missing data on clinical suspicion of pneumonia; n = 252
  2. bFive SARI patients did not have laboratory results; n = 253
  3. cThree patients were co-infected; one with coronavirus HKU1/rhinovirus, one with coronavirus HKU1/human metapneumovirus and one with coronavirus 229E/rhinovirus