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Table 1 Characteristics of geriatric patients with influenza in the emergency department

From: Utilization of systemic inflammatory response syndrome criteria in predicting mortality among geriatric patients with influenza in the emergency department

Characteristics Total patients (n = 409) Mortality (n = 20) Survival (n = 389) p Value
Male sex 205 (50.1) 13 (65.0) 192 (49.3) 0.17
Age, years 79. 5 ± 8.3 81.2 ± 8.5 79.5 ± 6.4 0.36
Age subgroup
 Young elderly (65–74 yr) 125 (30.6) 4 (20.0) 121 (31.1) 0.31
 Moderately elderly (75–84 yr) 174 (42.5) 10 (50.0) 164 (42.1) 0.51
 Old elderly (≥85 yr) 110 (26.9) 6 (30.0) 104 (26.8) 0.76
Vital signs
 Respiratory rate (per minute) 21.3 ± 4.2 23.4 ± 7.5 21.1 ± 3.9 0.02
 Glasgow’s coma scale 13.9 ± 2.3 12.0 ± 4.0 14.1 ± 2.2 0.03
 SBP (mmHg) 146.1 ± 30.5 135.1 ± 31.2 146.7 ± 30.5 0.28
 Body temperature (°Celsius) 38.18 ± 0.93 38.19 ± 0.92 38.17 ± 0.93 0.38
 Heart rate (beats/min) 98.8 ± 20.5 103.0 ± 21.6 98.6 ± 20.5 0.55
Past history
 Cancer 61 (14.9) 7 (35) 54 (13.9) 0.02
 COPD 111 (27.1) 0 (0) 111 (28.5) 0.03
 Hypertension 263 (64.3) 17 (85.0) 246 (63.2) 0.06
 Coronary artery disease 103 (25.1) 10 (50.0) 93 (23.9) 0.09
 Stroke 65 (15.9) 4 (20) 61 (15.7) 0.63
 Diabetes 163 (39.8) 7 (35.0) 156 (40.1) 0.66
Laboratory data
 WBC (cells/mm3) 10,590.0 ± 5820.0 14530.0 ± 6.2 10380.0 ± 5.8 < 0.01
 Bandemia (band form > 10%) 43 (10.2) 7 (35) 36 (9.2) < 0.01
 CRP (mg/dL) 8.2 ± 10.1 11.7 ± 9.2 8.03 ± 10.2 0.09
 Platelet (103/mm3) 186.2 ± 158.8 198.9 ± 140.3 185.6 ± 159.9 0.68
SIRS 1.91 ± 1.1 2.5 ± 1.1 1.9 ± 1.1 0.03
 SIRS ≥2 258 (63.1) 16 (80.0) 242 (62.2) 0.11
 SIRS ≥3 126 (30.8) 12 (60.0) 114 (29.3) < 0.01
Influenza subtypes
 Influenza A 278 (68.0) 12 (60) 266 (68.3) 0.45
 Influenza B 120 (29.3) 5 (25) 115 (29.5) 0.67
 Influenza A + B 11 (2.7) 3 (15) 8 (2.1) < 0.01
 Influenza vaccination 8 (1.9) 1 (5) 7 (1.8) 0.55
 DNR 4 (0.98) 2 (10) 2 (0.5) 0.08
 Admission rate 343 (83.9) 20 (100) 323 (83.0) 0.05
  1. Data were presented as % or Mean ± SD. ED Emergency Department, SD standard deviation, SBP systolic blood pressure, COPD chronic obstructive pulmonary disease, WBC white blood cell count, CRP C-reactive protein, DNR don not rescue, SIRS Systemic Inflammatory Response Syndrome
  2. Admission to general ward or intensive care unit