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Table 2 Odds ratios with 95% confidence intervals, distributed on 4 mortality levels

From: Risk factors associated with short term mortality changes over time, after arrival to the emergency department

  Immediatly dead (0-4 h)     4 h-2 day mortality     3–7 day mortality     8–30 day mortality   
Gender   Crude OR 95% CI Adj ORa 95% CI   Crude OR 95% CI Adj ORa 95% CI   Crude OR 95% CI Adj ORa 95% CI   Crude OR 95% CI Adj ORa 95% CI
Female 134 1.0   1.0   154 1.0   1.0   187 1.0   1.0   393 1.0   1.0  
Male 156 1.2 (1.0–1.6) 1.2 (1.0–1.5) 140 0.8 (0.8–1.2) 1.1 (1.1–1.1) 214 1.2 (1.0–1.5) 1.2 (1.0–1.5) 415 1.1 (1.0–1.3) 1.1 (1.0–1.3)
Agegroup
 18–49 19 1.0   1.0   9 1.0   1.0   19 1.0   1.0   17 1.0 1.0 1.0  
 50–79 161 8.1 (5.1–13.1) 7.4 (4.6–12.1) 121 13.0 (6.6–25.5) 9.9 (5.0–19.7) 185 9.4 (5.9–15.1) 6.2 (3.8–10.1) 379 21.8 (13.4–35.4) 14.9 (9.1–24.3)
 80- 110 16.8 (10.3–27.3) 15.2 (9.2–25.3) 164 53.8 (27.5–105.4) 37.1 (18.6–73.8) 197 30.8 (18.8–48.2) 18.0 (11.0–29.4) 412 74.6 (45.9–121.3) 44.8 (27.3–73.6)
Charlson comorbidity Index
 0 116 1.0   1.0   78 1.0   1.0   95 1.0   1.0   194 1.0   1.0  
 1 53 1.7 (1.2–2.3) 1.0 (0.7–1.4) 60 2.8 (2.0–4.0) 1.4 (1.0–1.9) 76 2.9 (2.2–4.0) 1.7 (1.2–2.3) 129 2.5 (2.0–3.1) 1.3 (1.0–1.6)
  ≥ 2 121 2.7 (2.1–3.5) 1.3 (1.0–1.7) 156 5.2 (4.0–6.9) 1.9 (1.4–2.5) 230 6.4 (5.0–8.1) 2.8 (2.2–3.7) 485 6.7 (5.7–8.0) 2.8 (2.3–3.3)
Arriving
 Own accord 5 1.0   1.0   23 1.0   1.0   234 1.0   1.0   503 1.0   1.0  
 Ambulance 174 111.6 (45.8–271.5) 71.4 (31.6–161.4) 182 25.7 (16.7–39.7) 18.5 (12.0–28.7) 128 1.8 (1.4–2.2) 1.7 (1.2–2.3) 277 1.8 (1.6–2.1) 1.2 (1.1–1.4)
 MECU 111 1037.9 (422.3–2550.9) 781.6 (341.9–1786.8) 17 31.1 (16.5–58.4) 27.3 (14.5–51.3) 39 8.2 (5.8–11.6) 2.8 (2.2–3.7) 28 2.7 (1.8–3.9) 2.0 (1.4–3.0)
Day of arrival
 Mon-Thursday 168 1.0   1.0   162 1.0   1.0   223 1.0   1.0   470 1.0   1.0  
 Fri-Sunday 122 1.0 (0.8–1.3) 1.0 (0.8–1.3) 132 1.1 (0.9–1.4) 1.2 (0.9–1.5) 178 1.1 (0.9–1.4) 1.1 (0.9–1.4) 338 1.0 (0.9–1.1) 1.0 (0.9–1.2)
Time of arrival
 8–15.59 143 1.0   1.0   158 1.0   1.0   204 1.0   1.0   441 1.0   1.0  
 16–23.59 87 0.9 (0.7–1.1) 0.9 (0.7–1.2) 89 0.8 (0.6–1.0) 0.9 (0.7–1.1) 141 1.0 (0.8–1.2) 0.8 (0.8–1.3) 275 0.9 (0.8–1.0) 0.9 (0.8–1.1)
 00–6.59 60 1.4 (1.0–1.9) 1.7 (1.2–2.6) 47 1.0 (0.7–1.4) 1.3 (0.9–1.8) 56 0.9 (0.7–1.2) 1.1 (0.8–1.5) 92 0.7 (0.6–0.9) 0.8 (0.7–1.1)
Urgency
 Non urgent 9 1.0   1.0   13 1.0   1.0   39 1.0   1.0   141 1.0   1.0  
 Urgent 74 3.7 (1.9–7.5) 3.1 (1.5–6.1) 132 4.6 (2.6–8.2) 3.7 (2.1–6.6) 244 2.9 (2.0–4.0 2.3 (1.7–3.3) 548 1.8 (1.5–2.1) 1.4 (1.2–1.7)
 Very urgent 122 90.0 (45.6–177.4) 67.6 (34.2–133.5) 56 27.5 (15.0–50.4) 19.7 (10.7–36.2) 74 12.2 (8.3–18.1) 8.9 (6.0–13.1) 70 3.2 (2.5–4.5) 2.2 (1.6–3.0)
 Missing 85 22.2 (11.2–44.2) 31.1 (15.6–61.9) 19 3.7 (1.8–7.5) 5.6 (2.8–11.2) 44 2.6 (1.7–4.0) 3.8 (2.5–5.9) 49 0.8 (0.6–1.1) 1.2 (0.8–1.6)
Vital parameters
Peripheral oxygen saturation (%)
  ≥ 90% +/− oxygen 125 1.0   1.0   190 1.0   1.0   293 1.0   1.0   640 1.0   1.0  
  < 90% +/−oxygen 33 10.6 (7.2–15.7) 6.8 (4.6–10.1) 48 10.7 (7.7–14.8) 5.8 (4.2–8.1) 33 4.7 (3.2–6.7) 2.6 (1.8–3.7) 68 4.6 (3.5–5.9) 2.5 (1.9–3.3)
 missing 132 4.0 (3.1–5.1) 5.7 (4.4–7.3) 56 1.1 (0.8–1.5) 1.7 (1.3–2.4) 75 1.0 (0.7–1.2) 1.4 (1.1–1.8) 100 0.6 (0.5–0.7) 0.9 (0.7–1.1)
Respiratory rate (rr/min)
 5–36 134 1.0   1.0   212 1.0   1.0   306 1.0   1.0   660 1.0   1.0  
  < 5 3 26.0 (7.8–86.7) 27.5 (7.9–95.7) 0 0 0 0 0 1 3.9 (0.5–28.9) 3.6 (0.5–28.0) 1 1.8 (0.2–13.2) 1.7 (0.2–12.8)
  > 36 13 9.0 (5.0–16.1) 6.2 (3.5–11.2) 19 8.7 (5.4–14.1) 5.4 (3.3–8.9) 12 3.7 (2.1–6.7) 2.2 (1.2–4.0) 27 4.0 (2.7–6.0) 2.4 (1.6–3.7)
 missing 140 2.9 (2.3–3.7) 4.2 (3.3–5.3) 63 0.8 (0.6–1.1) 1.2 (0.9–1.5) 82 0.7 (0.6–1.0) 1.1 (0.9–1.4) 120 0.5 (0.4–0.6) 0.8 (0.6–0.9)
Systolic Blood Pressure (mmHg)
  ≥ 90 170 1.0   1.0   235 1.0   1.0   343 1.0   1.0   728 1.0   1.0  
  < 90 37 17.8 (12.3–26.7) 13.4 (9.2–19.4) 27 9.8 (6.5–14.8) 6.5 (4.2–9.8) 22 5.4 (3.5–8.4) 3.4 (2.2–5.3) 31 3.6 (2.5–5.3) 2.2 (1.5–3.3)
 missing 83 2.7 (2.0–3.5) 4.3 (3.3–5.6) 32 0.7 (0.5–1.1) 1.4 (1.0–2.0) 36 0.6 (0.4–0.8) 0.9 (0.7–1.3) 49 0.4 (0.3–0.5) 0.6 (0.5–0.8)
Heart rate (hr/min)
 40–140 190 1.0   1.0   245 1.0   1.0   352 1.0   1.0   742 1.0   1.0  
  < 40 8 16.7 (8.0–34.8) 14.0 (6.6–29.8) 6 10.0 (4.3–23.0) 7.9 (3.3–19.0) 1 1.1 (0.2–7.9) 0.8 (0.1–5.7) 1 0.5 (0.1–3.7) 0.4 (0.0–2.6)
  > 140 9 6.2 (3.1–12.2) 5.7 (2.9–11.4) 6 3.2 (1.4–7-4) 3.2 (1.4–7.3) 8 3.0 (1.5–6.2) 2.8 (1.4–5.8) 16 2.9 (1.8–4.9) 2.8 (1.6–4.7)
 missing 83 2.4 (1.9–3.1) 3.9 (3.0–5.1) 37 0.8 0.6–1.2) 1.6 (1.1–2.2) 40 0.6 (0.5–0.9) 1.0 (0.8–1.) 49 0.4 (0.3–0.5) 0.6 (0.5–0.8)
Glasgow Coma Score
 14–15 68 1.0   1.0   150 1.0   1.0   231 1.0   1.0   559 1.0   1.0  
 3–13 100 53.5 (39.0–73.3) 45.2 (32.8–62.3) 45 11.3 (8.0–15.9) 7.8 (5.5–11.2) 44 7.1 (5.1–9.9) 4.9 (3.5–6.8) 55 3.7 (2.8–4.9) 2.5 (1.8–3.3)
 missing 122 4.1 (3.0–5.5) 4.9 (3.6–6.6) 99 1.5 (1.2–1.9) 1.8 (1.4–2.4) 126 1.2 (1.0–1.5) 1.5 (1.2–1.8) 194 0.8 (0.7–0.9) 0.9 (0.8–1.1)
Temperature
 35–39 108 1.0   1.0   191 1.0   1.0   279 1.0   1.0   641 1.0   1.0  
  < 35 5 17.5 (7.0–43.9) 12.1 (4.8–30.8) 4 8.3 (3.0–22.8) 4.3 (5.3–11.8) 15 10.0 (4.6–21.8) 6.2 (2.8–13.8) 20 1.2 (0.3–4.7) 0.7 (0.2–2.7)
  > 39 4 1.9 (0.7–5.1) 1.6 (0.6–4.4) 8 2.1 (1.0–4.3) 1.9 (0.9–3.8) 8 1.4 (0.7–2.9) 1.1 (0.6–2.3) 15 1.2 (0.7–1.9) 0.9 (0.6–1.6)
 missing 173 4.9 (3.8–6.2) 6.1 (4.8–7.8) 91 1.4 (1.1–1.9) 1.9 (1.5–2.5) 99 1.0 (0.8–1.3) 1.3 (1.0–1.7) 132 0.6 (0.5–0.7) 0.8 (0.6–0.9)
  1. aagegroup, gender, comorbidity