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Table 4 Physiological response and procedures performed upon arrival at the ED

From: Obese patients who fall have less injury severity but a longer hospital stay than normal-weight patients

Variables

Obese

Normal

Odds ratio (95 %)

P

BMI ≥ 30

25 > BMI ≥ 18.5

n = 273

n = 2357

Physiology at ER, n(%)

  GCS < 13

14(5.1)

168(7.1)

0.7(0.40–1.23)

0.218

  SBP < 90 mmHg

3(1.1)

26(1.1)

1.0(0.30–3.31)

1.000

  Heart rate > 100 beats/min

52(19.0)

357(15.1)

1.3(0.96–1.82)

0.092

  Respiratory rate < 10 or >29

0(0.0)

6(0.3)

1.000

Procedures at ER, n(%)

  Cardiopulmonary resuscitation

0(0.0)

1(0.0)

1.000

  Intubation

3(1.1)

34(1.4)

0.8(0.23–2.49)

1.000

  Chest tube insertion

2(0.7)

23(1.0)

0.7(0.18–3.19)

1.000

  Blood transfusion

8(2.9)

56(2.4)

1.2(0.59–2.63)

0.574