Table 2

Mortality analysis showing chief complaints with more than 150 index contacts, ranked by 30-day mortality (primary outcome)

Chief complaint*Included†In-hospital30-day1-year
MortalityAdjusted OR‡MortalityAdjusted OR‡MortalityAdjusted OR‡
n (%)%95% CIOR95% CI%95% CIOR95% CI%95% CIOR95% CI
All15 052 (100)1.41.2 to 1.63.02.7 to 3.39.79.3 to 10.2
Altered level of consciousness334 (2.2)5.02.9 to 7.92.71.6 to 4.58.45.6 to 11.92.01.3 to 3.124.019.7 to 28.92.11.6 to 2.9
Dyspnea1142 (7.6)4.02.9 to 5.32.21.6 to 3.18.06.5 to 9.72.11.6 to 2.623.421.0 to 25.92.11.8 to 2.5
Gastrointestinal bleeding430 (2.9)3.52.0 to 5.61.91.1 to 3.36.76.6 to 9.51.71.1 to 2.616.313.1 to 20.11.31.0 to 1.7
Focal neurological symptoms279 (1.9)3.91.9 to 6.82.11.1 to 3.96.53.9 to 10.01.60.9 to 2.615.411.7 to 20.21.20.8 to 1.7
No contact reason980 (6.5)3.32.3 to 4.62.51.7 to 3.66.45.0 to 8.22.21.7 to 3.015.113.0 to 17.51.71.4 to 2.1
Nausea, vomiting and diarrhea181 (1.2)2.70.9 to 6.21.70.7 to 4.16.14.6 to 9.51.80.9 to 3.415.511.0 to 21.61.40.9 to 2.2
Unwell265 (1.8)3.01.3 to 5.71.80.9 to 3.76.03.5 to 9.61.71.0 to 2.917.013.0 to 22.11.61.1 to 2.7
Fever/infection670 (4.5)0.90.3 to 1.90.50.2 to 1.13.22.9 to 4.90.90.6 to 1.49.97.8 to 12.40.80.6 to 1.0
Dizziness408 (2.7)1.90.8 to 3.81.00.5 to 2.02.91.5 to 5.10.60.4 to 1.211.38.6 to 14.80.70.6 to 1.1
Extremity symptoms without injury476 (3.2)1.00.3 to 2.40.70.3 to 1.82.71.5 to 4.60.90.5 to 1.69.27.0 to 12.20.90.7 to 1.3
Abdominal symptoms1501 (10.0)1.10.6 to 1.81.30.8 to 2.22.11.5 to 3.01.20.8 to 1.85.84.7 to 7.10.90.7 to 1.2
Extremity injury1771 (11.8)0.60.3 to 1.10.30.2 to 0.52.11.5 to 2.90.40.3 to 0.69.78.4 to 11.10.70.6 to 0.8
Skin and mucosal symptoms171 (1.1)0.60.0 to 3.10.60.1 to 4.51.80.4 to 5.00.90.3 to 3.05.32.8 to 9.90.80.4 to 1.6
Seizure, generalized306 (2.0)0.01.30.4 to 3.30.80.3 to 2.27.85.3 to 11.51.51.0 to 2.4
Head and face symptoms1158 (7.7)0.30.1 to 0.090.20.1 to 0.71.10.6 to 1.90.40.2 to 0.65.03.9 to 6.40.50.4 to 0.6
Nose symptoms185 (1.2)0.50.0 to 2.90.30.0 to 2.01.10.1 to 3.90.20.1 to 1.07.64.6 to 12.40.50.3 to 0.9
Fainting/syncope415 (2.8)0.70.1 to 2.10.50.2 to 1.61.00.3 to 2.40.30.1 to 0.86.54.5 to 9.30.60.4 to 0.9
Headache403 (2.7)0.50.1 to 1.70.60.1 to 2.51.00.3 to 2.50.60.2 to 1.62.01.0 to 3.90.30.1 to 0.6
Back and neck pain818 (5.4)0.60.2 to 1.40.70.3 to 1.60.90.3 to 1.80.40.2 to 0.94.93.6 to 6.60.70.5 to 1.0
Intoxication525 (3.5)0.20.0 to 1.00.50.1 to 3.30.60.1 to 1.70.70.2 to 2.33.22.0 to 5.21.20.7 to 1.9
Thorax injury193 (1.3)0.50.0 to 2.80.50.1 to 3.80.50.0 to 2.90.20.0 to 1.83.11.4 to 6.80.40.2 to 0.9
Allergic symptoms217 (1.4)0.40.0 to 2.40.80.1 to 5.90.50.0 to 2.50.40.1 to 3.01.40.5 to 4.20.30.1 to 1.0
Chest pain857 (5.7)0.10.0 to 0.60.10.0 to 0.70.40.1 to 1.00.10.0 to 0.44.23.1 to 5.80.50.3 to 0.6
The rest1367 (9.1)0.80.4 to 1.40.60.3 to 1.12.92.0 to 3.91.10.8 to 1.59.27.7 to 10.91.10.9 to 1.3
  • The OR for each chief complaint is calculated using the remaining study population as reference.

  • For table showing crude OR, see online supplemental file 1.

  • *Only chief complaints with more than 150 index contacts are shown. The remaining chief complaints are grouped as “the rest.”

  • †All domestic index contacts included in this analysis (n=15 052). 317 foreigners excluded.

  • ‡Adjusted for age and gender.

  • n, number of entries.