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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