| |
Unmatched groups
|
Matched groups
|
|---|
|
HEMS
|
GEMS
|
SD, %
|
HEMS
|
GEMS
|
SD, %
|
|---|
|
n = 4128
|
(%)
|
n = 17158
|
(%)
|
n = 3980
|
(%)
|
n = 3980
|
(%)
|
|---|
|
Systolic blood pressure, mm Hg
|
|
0
|
272
|
(6.6)
|
1342
|
(7.8)
|
-4.6
|
253
|
(6.4)
|
374
|
(9.4)
|
-11.1
|
|
1 to 89
|
522
|
(12.6)
|
1900
|
(9.4)
|
10.2
|
496
|
(12.5)
|
455
|
(11.4)
|
3.4
|
|
90 to 109
|
552
|
(13.4)
|
2157
|
(10.7)
|
8.3
|
537
|
(13.5)
|
507
|
(12.7)
|
2.4
|
|
≥ 110
|
2725
|
(66.0)
|
14506
|
(71.9)
|
-12.8
|
2642
|
(66.4)
|
2579
|
(64.8)
|
3.4
|
|
missing
|
57
|
(1.4)
|
234
|
(1.2)
|
1.8
|
52
|
(1.3)
|
65
|
(1.6)
|
-2.5
|
|
Heart rate, beats/min
|
|
0
|
272
|
(6.6)
|
1342
|
(7.8)
|
-4.6
|
253
|
(6.4)
|
374
|
(9.4)
|
-11.1
|
|
1 to 59
|
263
|
(6.4)
|
1063
|
(6.2)
|
0.8
|
255
|
(6.4)
|
279
|
(7.0)
|
-2.4
|
|
60 to 99
|
2461
|
(59.6)
|
10350
|
(60.3)
|
-1.4
|
2384
|
(59.9)
|
2320
|
(58.3)
|
3.3
|
|
≥ 100
|
1065
|
(25.8)
|
3990
|
(23.3)
|
5.8
|
1024
|
(25.7)
|
892
|
(22.4)
|
7.7
|
|
missing
|
67
|
(1.6)
|
413
|
(2.4)
|
-5.7
|
64
|
(1.6)
|
115
|
(2.9)
|
-8.8
|
|
Respiratory rate, breaths/min
|
|
0
|
272
|
(6.6)
|
1342
|
(7.8)
|
-4.6
|
253
|
(6.4)
|
374
|
(9.4)
|
-11.1
|
|
1 to 9, > 29
|
719
|
(17.4)
|
2708
|
(15.8)
|
4.3
|
689
|
(17.3)
|
697
|
(17.5)
|
-0.5
|
|
10 to 29
|
2881
|
(69.8)
|
11725
|
(68.3)
|
3.2
|
2787
|
(70.0)
|
2554
|
(64.2)
|
12.4
|
|
missing
|
256
|
(6.2)
|
1383
|
(8.1)
|
-7.4
|
251
|
(6.3)
|
355
|
(8.9)
|
-9.8
|
|
Japan Coma Scale
|
|
Grade 0 (alert)
|
1033
|
(25.0)
|
4524
|
(26.4)
|
-3.2
|
1012
|
(25.4)
|
1072
|
(26.9)
|
-3.4
|
|
Grade 1 (delirium)
|
806
|
(19.5)
|
3784
|
(22.1)
|
-6.4
|
775
|
(19.5)
|
775
|
(19.5)
|
0.0
|
|
Grade 2 (sommolence)
|
510
|
(12.4)
|
1920
|
(11.2)
|
3.7
|
489
|
(12.3)
|
418
|
(10.5)
|
5.7
|
|
Grade 3 (coma)
|
1022
|
(24.8)
|
3559
|
(20.7)
|
9.8
|
992
|
(24.9)
|
840
|
(21.1)
|
9.0
|
|
missing
|
757
|
(18.3)
|
3371
|
(19.6)
|
-3.3
|
712
|
(17.9)
|
875
|
(22.0)
|
-10.3
|
|
Glasgow Coma Scale
|
| ≧ 14 |
2176
|
(52.7)
|
9283
|
(54.1)
|
-2.8
|
2101
|
(52.8)
|
2169
|
(54.5)
|
-3.4
|
|
9 to 13
|
797
|
(19.3)
|
3419
|
(19.9)
|
-1.5
|
765
|
(19.2)
|
742
|
(18.6)
|
1.5
|
| ≦ 8 |
1088
|
(26.4)
|
3771
|
(22.0)
|
10.3
|
1049
|
(26.4)
|
884
|
(22.2)
|
9.8
|
|
missing
|
67
|
(1.6)
|
685
|
(4.0)
|
-14.6
|
65
|
(1.6)
|
185
|
(4.6)
|
-17.4
|
|
Body temperature, °C
|
|
< 35
|
344
|
(8.3)
|
1273
|
(7.4)
|
3.3
|
328
|
(8.2)
|
278
|
(7.0)
|
4.5
|
| ≧ 35 |
2845
|
(68.9)
|
12985
|
(75.7)
|
-15.2
|
2769
|
(69.6)
|
2917
|
(73.3)
|
-8.2
|
|
missing
|
939
|
(22.7)
|
2900
|
(16.9)
|
14.6
|
883
|
(22.2)
|
785
|
(19.7)
|
6.1
|
- Total may not become 100% due to rounding off
-
HEMS helicopter emergency medical services, GEMS ground emergency medical services, SD standardized difference
