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Table 1 Patient demographics

From: Does repeat Hb measurement within 2 hours after a normal initial Hb in stable trauma patients add value to trauma evaluation?

 

HD stable

HD stable + initial Hb normal

n = 1,246

n = 914

Age (years)

40.6 (18.0)*

39.4 (16.4)*

Men

812 (65.3%)

578 (63.2%)

Blunt trauma

1,160 (93.3%)

862 (94.3%)

ISS (points)

5 (1 to 13)

5 (1 to 10)

 AIS code severity 3 or more/total AIS codes

907/2,994 (30.3%)

495/1,878 (26.4%)

 AIS head ≥ severity 3

351 (39%)

206 (41.8%)

 AIS chest ≥ severity 3

142 (15.8%)

75 (15.2%)

 AIS abdomen ≥ severity 3

120 (13.3%)

74 (15%)

 AIS extremities ≥ severity 3

222 (24.5%)

104 (21%)

Multitrauma (ISS ≥ 16)

270 (21.7%)

149 (16.3%)

GCS on admission

15 (14 to 15)

15 (15 to 15)

Initial Hb (g/dl)

  

 Men

14.2 (1.5)*

15.0 (0.9)*

 Women

12.8 (1.5)*

13.4 (0.9)

Repeat Hb in g/dl

  

 Men

13.9 (1.7)*

14.6 (1.1)*

 Women

12.5 (1.6)*

13.1 (1.0)*

Hospital stay (days)

2 (0 to 5)

2 (0 to 4)

ICU stay (days)

0 (0 to 0)

0 (0 to 0)

In-hospital mortality

32 (2.6%)

12 (1.3%)

  1. Data are number (%) or median (interquartile range (IQR)) unless otherwise indicated. *Mean (SD). HD, hemodynamically; Hb, haemoglobin; ISS, Injury Severity Score; AIS, Abbreviated Injury Scale; GCS, Glasgow Coma Score; g/dl, grams per deciliter; ICU, Intensive Care Unit.