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Table 2 Baseline characteristics of the hospitals in the multiply imputed dataset

From: Open-chest versus closed-chest cardiopulmonary resuscitation in trauma patients with signs of life upon hospital arrival: a retrospective multicenter study

Variables

OCCPR (n = 1032)

CCCPR (n = 1650)

ASMD

ACS trauma center level, n (%)

 I

807 (78.2)

1248 (75.6)

0.06

 II

225 (21.8)

402 (24.4)

0.06

Teaching status, n (%)

 University

719 (69.7)

1097 (66.5)

0.07

 Community

226 (21.9)

470 (28.5)

0.15

 Non-teaching

87 (8.4)

83 (5.0)

0.14

Number of trauma surgeons, > 8, n (%)

400 (38.8)

445 (27.0)

0.25

  1. Abbreviations: OCCPR open-chest cardiopulmonary resuscitation, OCCPR closed-chest cardiopulmonary resuscitation, ASMD absolute standardized mean difference, ACS American College of Surgeons