Table 1 Baseline characteristics among non-conveyed patients 18–64 years and > 65 years in Stockholm, Sweden, 2015
Variable | Age 18–64 n = 9332 | Age ≥ 65 n = 8476 | p-valuea |
|---|---|---|---|
Sex n (%) | |||
Male | 4596 (49.2) | 3853 (45.5) | < 0.001 |
Female | 4736 (50.8) | 4623 (54.5) | |
Age years median (IQR) | 40.4 (29–52) | 84.9 (75–94) | < 0.001b |
Dispatch priority n (%) | |||
Priority 1 | 5426 (58.2) | 3258 (38.5) | < 0.001 |
Priority 2 | 3597 (38.5) | 4494 (53.0) | |
Priority 3 | 309 (3.3) | 721 (8.5) | |
Time of day n (%) | |||
Day (8 am-4 pm) | 2781 (30.2) | 3571 (42.4) | < 0.001 |
Evening (4 pm–10 pm) | 3013 (32.7) | 2603 (30.9) | |
Night (10 pm-8 am) | 3428 (37.2) | 2255 (26.7) | |
Geographical location n (%) | |||
Highly urban | 2748 (29.8) | 2195 (26.0) | < 0.001 |
Urban | 5847 (63.4) | 5561 (66.0) | |
Average urban | 482 (5.2) | 426 (5.1) | |
Rural | 145 (1.6) | 247 (2.9) | |
NACA score* (±SD) | 1.48 (±0.96) | 1.43 (±0.97) | < 0.001b |
On-scene triage level n (%) | 0.002 | ||
Triage 1 (highest level) | 49 (0.7) | 85 (1.2) | |
Triage 2 | 470 (6.6) | 402 (5.9) | |
Triage 3 | 1647 (23.3) | 1568 (23.0) | |
Triage 4 (lowest level) | 4917 (69.4) | 4770 (69.9) | |
Prehospital initial assessment code | |||
Other/Non-classifiable symptoms | 2851 (30.6) | 3459 (40.8) | < 0.001 |
Nervous symptoms | 1792 (19.2) | 1097 (12.9) | |
Circulatory symptoms | 737 (7.9) | 876 (10.3) | |
Digestive and abdominal symptoms | 785 (8.4) | 690 (8.1) | |
Respiratory symptoms | 722 (7.7) | 675 (8.0) | |
Medical symptoms | 404 (4.3) | 582 (6.9) | |
Psychiatric symptoms | 780 (8.4) | 553 (6.5) | |
Trauma | 1038 (11.1) | 383 (4.5) | |
Infectious symptoms | 146 (1.6) | 159 (1.9) | |
Obstetrics and gynaecologic symptoms | 77 (0.8) | 3 (0.04) | |
At least one abnormal vital sign | |||
Yes | 1888 (23.2) | 2724 (34.5) | < 0.001 |
No | 6251 (76.8) | 5168 (65.5) | |