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Table 1 Baseline characteristics

From: Prehospital triage of patients diagnosed with perforated peptic ulcer or peptic ulcer bleeding: an observational study of patients calling 1-1-2

Variable PPU/PUB (n = 263) Respiratory Failure (n = 2589) Stroke (n = 1688) Trauma (n = 1219) Cardiac Chest Pain (n = 1804) Cardiac Arrest (n = 1095) Total (n = 8658)
Age, years (95% CI) 69.4 (67.6;71.2) 63.2 (62.3;64.1) 70.1 (69.4;70.8) 39.9 (38.7;41.1) 69.2 (68.5;69.8) 68.9 (68.0;69.0) 63.4 (63.0;63.9)
Sex, % (95% CI)
 Male 58.9 (53.0;64.9) 55.2 (53.4;57.2) 55.6 (53.3;58.0) 61.6 (58.8;64.3) 66.6 (64.4;68.8) 65.6 (62.8;68.4) 60.0 (59.0;61.0)
Emergency callsa, % (95% CI)
 1 95.1 (92.4;97.7) 89.5 (88.3;90.6) 95.6 (94.6;96.6) 98.5 (97.8;99.2) 89.9 (88.5;91.3) 98.1 (97.3;98.9) 93.3 (92.8;93.8)
 2 4.9 (2.3;7.6) 7.4 (6.4;8.4) 4.0 (3.1;5.0) 1.3 (0.7;2.0) 8.3 (7.0;9.5) 1.7 (1.0;2.5) 5.3 (4.8;5.7)
 3 1.7 (1.2;2.2) 0.3 (0.0;0.6) 0.1 (0.0;0.2) 1.2 (0.7;1.7) 0.2 (0.0;0.4) 0.8 (0.6;1.0)
 4+ 1.5 (1.0;1.9) 0.1 (0.0;0.2) 0.1 (0.0;0.2) 0.7 (0.3;1.1) 0.6 (0.4;0.8)
CCI score, % (95% CI)
 0 0.8 (0.0;1.8) 15.7 (14.3;17.1) 77.1 (74.8;79.5) 9.2 (7.9;10.5) 31.5 (28.8;34.3) 21.5 (20.6;22.3)
 1 41.1 (35.1;47.0) 25.7 (24.0;27.4) 51.1 (48.8;53.5) 10.3 (8.5;12.0) 29.4 (27.3;31.5) 20.9 (18.5;23.3) 29.1 (28.2;30.1)
 2 16.7 (11.2;21.3) 15.2 (13.8;16.6) 14.6 (12.9;16.3) 5.2 (3.9;6.4) 18.5 (16.7;20.3) 15.4 (13.3;17.6) 14.4 (13.7;15.2)
 3+ 41.4 (35.5;47.4) 43.4 (41.5;45.3) 34.2 (32.0;36.5) 7.4 (5.9;8.9) 43.0 (40.7;45.2) 32.1 (29.4;34.9) 35.0 (34.0;36.0)
Time of 1–1-2 call, % (95% CI)
 00:00–05:59 18.3 (13.6;22.9) 21.7 (20.1;23.3) 6.9 (5.7;8.1) 9.7 (8.0;11.3) 18.0 (16.2;19.7) 12.3 (10.4;14.3) 15.0 (14.3;15.8)
 06:00–11:59 30.4 (24.8;36.0) 32.1 (30.3;33.9) 36.0 (33.7;38.3) 27.2 (24.7;29.7) 29.8 (27.7;31.9) 37.5 (34.7;40.4) 32.3 (31.4;33.3)
 12:00–17.59 31.9 (26.3;37.6) 22.2 (20.6;23.8) 35.2 (32.9;37.5) 40.0 (37.3;42.8) 28.3 (26.2;30.4) 28.8 (26.1;31.5) 29.6 (28.7;30.6)
 18:00–23:59 19.4 (14.6;24.2) 24.0 (22.4;25.7) 21.9 (19.9;23.9) 23.0 (20.6;25.3) 24.0 (22.0;26.0) 21.4 (18.9;23.8) 23.0 (22.1;23.9)
  1. Abbreviations: PPU perforated peptic ulcer, PUB peptic ulcer bleeding, n number of patients, CI confidence interval, CCI Charlson Comorbidity Index
  2. aNumber of emergency calls per patient