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Table 1 Patient characteristics of haemodynamically stable patients presenting after blunt abdominal injury stratified by FAST-exam result

From: Should we perform a FAST exam in haemodynamically stable patients presenting after blunt abdominal injury: a retrospective cohort study

 

Positive FAST (n = 14)

Negative FAST (n = 401)

Missing

Demographics

 Age mean

35 (24–45)*

44 (42–46)

 

 Gender (men) n (%)

10 (71%)

265 (65%)

 

Medication n (%)

 Vitamin K antagonist or LMWH

0

47 (12%)

8

Trauma mechanism n (%)

 MVC

7 (50%)

131 (32%)

 

 Motorcycle

2 (14%)

30 (7%)

 

 Scooter/moped

0

18 (4%)

 

 Bicycle

1 (7.1%)

59 (14%)

 

 Pedestrian

1 (7.1%)

12 (3%)

 

 Beaten with blunt object

0

6 (2%)

 

 Low-energy fall

0

63 (16%)

 

 High-energy falla

2 (14%)

50 (13%)

 

 Other blunt trauma

1 (7.1%)

37 (9%)

 

Vital Signs

 HR (bpm)

91 (77–104)

81 (79–84)

17

 SBP (mm Hg)

127 (113–140)

140 (136–144)

 

 DBP (mm Hg)

84 (68–99)

84 (81–87)

1

 RR (rpm)

27 (13–37)*

18 (17–19)

98

 Saturation (%)

97 (92–101)

97 (95–99)

9

 Temperature (°C)

35.6 (34.8–36.5)

36.1 (35.6–36.6)

208

 GCS score (range)

12 (3–15)**

14 (3–15)

73

Laboratory values

 Hb (mmol/L)

7.3 (6.3–8.3)**

8.7 (8.3–9.0)

6

 Leucocytes (x10^9/L)

17.7 (13.7–21.8)**

12.9 (11.4–14.5)

9

 Thrombocytes (x10^9/L)

223 (184–261)

243 (236–249)

8

 Bilirubin total (μmol/L)

6 (3–8)

7 (6–7)

12

 Amylase (U/L)

61 (53–68)

66 (55–77)

12

 AST (U/L)

310 (76–544)**

54 (46–63)

9

 CK tot (U/L) (range)

566 (142–1214)**

445 (300–588)

23

 Creatinine (μmol/L)

84 (77–90)*

74 (71–78)

26

 Lactate (mmol/L)

2.9 (1.6–4.2)

2.2 (1.9–2.5)

178

 BE (mmol/l)

–6 (−11 – −1)

−2 (−2 – −1)

223

 HCO3- (mmol/l)

20 (17–23)

23 (22–23)

223

 pH

7.25 (7.13–7.38)

7.38 (7.37–7.39)

223

 PT (sec)

12.8 (11.6–14.0)**

12 (11–13)

36

 aPTT (sec)

33 (17–49)

25 (25–26)

50

Interventions and Injury severity score

 Pre-hospital or ED Intubation

10 (71%)**

84 (21%)

 

 Pre-hospital or ED CPR

3 (21.1%)**

4 (0.9%)

 

 Pre-hospital or ED thoracostomy

4 (28%)**

30 (7%)

 

 ISS score

44 (37–52)**

16 (14–17)

 
  1. LMWH low molecular weight heparin, MVC motor vehicle collision, SBP systolic blood pressure, HR heart rate, DBP, diastolic blood pressure, RR respiratory rate, GCS Glasgow Coma Scale, Hb hemoglobin, CK creatine kinase, PT prothrombin time, aPTT activated partial thromboplastin time, ISS Injury Severity Score, ED emergency department, CPR cardiopulmonary resuscitation, RBC red blood cells, FFP fresh frozen plasma
  2. *denotes p < 0.05 “compared to negative FAST”; **denotes p < 0.01 compared to “negative FAST”
  3. aHigh-energy fall: from height >2-3x body length