Table 1 Patient characteristics by Do-Not-Resuscitate (DNR) status

Age ≥ 65

43.02 (3670)

95.24 (681)

90.47 (731)

< .001

< .001

Female gender

46.07 (3930)

75.24 (538)

63.12 (510)

< .001

< .001

CCI, median (IQR)

0 (0–1)

1 (0–2)

1 (0–1)

0.01

< .001

Surgical service admission

55.23 (4711)

15.94 (114)

35.64 (288)

< .001

< .001

Transferred-in

34.02 (2902)

13.71 (98)

24.38 (197)

< .001

< .001

Trauma activation

23.90 (2039)

2.80 (20)

13.74 (111)

< .001

< .001

Fall cause of injury

55.28 (4715)

92.17 (659)

86.01 (695)

< .001

< .001

GCS 3-8

4.48 (346)

2.40 (14)

12.76 (92)

< .001

< .001

ISS ≥ 16

17.68 (1505)

11.90 (85)

26.49 (214)

< .001

< .001

RR <12 or >20 breaths/min

11.06 (774)

9.81 (56)

13.40 (89)

0.05

0.07

Tachycardia¹

3.26 (229)

1.58 (9)

5.37 (36)

< .001

.004

Hypotension²

2.82 (238)

1.69 (12)

3.63 (29)

0.02

0.19

Head injury³

14.16 (1208)

12.59 (90)

24.26 (196)

< .001

< .001

Neck injury³

6.26 (534)

3.92 (28)

8.04 (65)

< .001

0.05

Chest injury³

11.52 (983)

4.62 (33)

9.28 (75)

< .001

0.05

Abdomen/pelvic injury³

3.09 (264)

0.28 (2)

2.10 (17)

< .001

0.12

Limb injury³

22.70 (1937)

40.14 (287)

32.80 (265)

0.003

< .001