Table 4 Abnormal vital functions/observation scales
From: A retrospective comparison between non-conveyed and conveyed patients in ambulance care
Variable | Total group Abnormal/registered (%) | Non-conveyance group Abnormal/registered (%) | Conveyance group Abnormal/registered (%) | Difference | p-value |
|---|---|---|---|---|---|
Obstructed airway | 953/45069 (1.7) | 274/10683 (2.6) | 679/34386 (2.0) | + 0.6 | .000 |
Insufficient breathing | 3955/44029 (7.2) | 523/10482 (5.0) | 3432/33547 (10.2) | −5.2 | .000 |
Respiratory rate | .000 | ||||
Too low | 1133/32974 (2.1) | 443/7214 (6.1) | 690/25760 (2.7) | +3.4 | |
Too high | 7540/32974 (13.8) | 1069/7214 (14.8) | 6471 (25.1) | −10.3 | |
Oxygen saturation < 96% | 11,246/41699 (20.5) | 943/8382 (11.3) | 10,303/33317 (30.9) | −19.6 | .000 |
Carbon dioxide level | .000 | ||||
Too low | 447/614 (72.8) | 175/208 (84.1) | 272 /406 (67.0) | + 14.1 | |
Too high | 24/614 (3.9) | 4/208 (1.9) | 20/406 (4.9) | −3.0 | |
Insufficient circulation | 2332/41280 (5.6) | 370/9924 (3.7) | 1962/31356 (6.3) | −2.6 | .000 |
Heart rate | .000 | ||||
Too low | 2631/46292 (5.7) | 517/9814 (5.3) | 2114/36478 (5.8) | −0.5 | |
Too high | 9759/46292 (21.1) | 1231/9814 (12.5) | 8528/36478 (23.4) | − 10.9 | |
Systolic blood pressure | .000 | ||||
Too low | 1266/41842 (3.0) | 172/8092 (2.1) | 1094/33750 (3.2) | −1.1 | |
Too high | 9750/41842 (23.3) | 1379/8092 (17.0) | 8371/33750 (24.8) | −7.8 | |
Temperature | .000 | ||||
Too low | 1764/11106 (15.9) | 411/2364 (17.4) | 1353/8742 (15.5) | + 1.9 | |
Too high | 2592/11106 (23.3) | 315/2364 (13.3) | 2277/8742 (26.0) | −12.7 | |
Glasgow Coma Scale (EMV) < 15 | 5106/44657 (11.4) | 870/9794 (8.9) | 4236/34863 (12.2) | −3.3 | .000 |
Abnormal AVPU scale | 3927/39889 (9.8) | 826/9658 (8.6) | 3101/30231 (10.3) | −1.7 | .000 |
Abnormal pupillary response | 363/23502 (1.5) | 80/5919 (1.4) | 283/17583 (1.6) | −0.2 | .181 |
Blood glucose level | .000 | ||||
Too low | 494/18646 (2.6) | 251/3683 (6.8) | 243/14963 (1.6) | + 5.2 | |
Too high | 3735/18646 (20.0) | 533/3683 (14.5) | 3202/14963 (21.4) | −6.9 | |
Abnormal disability | 1411/4648 (30.4) | 327/1270 (25.7) | 1084/3378 (32.1) | −6.4 | .000 |
RTS/PTS < 12 | 4180/25367 (16.5) | 491/5237 (9.4) | 3689/20130 (18.3) | −8.9 | .000 |
Pain score (NRS) > 3 | 3706/6640 (55.8) | 251/876 (28.7) | 3455/5764 (59.9) | −31.2 | .000 |
Non-sinus rhythm | 20,553/39458 (52.1) | 4743/9240 (51.3) | 15,810/30218 (52.3) | −1.0 | .098 |