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Table 1 Characteristics of the patients. Data presented as value (%) or as median (inter quartile range)

From: Initial experiences of prehospital blood product transfusions between 2016 and 2020 in Päijät-Häme hospital district, Finland

  Total Trauma Nontraumatic
Gender, male, n (%) 40 (62%) 28 (78%) 12 (41%)
Age, years (IQR) 54 (32) 47 (32) 66 (26)
Time, min (IQR)
From the emergency call to transfusion 54 (38) 51 (33) 54 (44)
From the start of first blood product arriving to the hospital 61 (42) 64.5 (64.25) 60 (38.5)
Haemodynamic parameters (IQR)
Lowest systolic blood pressure pretransfusion (mmHg) 76.5 (36.5) 80 (41) 70 (28)
Pretransfusion heart rate (bpm) 100 (35) 100 (30) 100 (37)
Prehospital systolic blood pressure after transfusion (mmHg) 111.5 (34.5) 117 (35.25) 105 (21.5)
Prehospital after transfusion heart rate (bpm) 95 (31) 95 (34) 94 (24.25)
Systolic blood pressure at arrival to the hospital (mmHg) 116.5 (26.5) 110 (40) 120 (19.5)
Heart rate at arrival to the hospital (bpm) 100 (22.5) 103 (11) 95.50 (27.25)
Laboratory results, hospital arrival (IQR)
Hb (g/l) 100 (36) 125 (35) 96 (37)
pH 7.381 (0.158) 7.365 (0.132) 7.382 (0.182)
Base excess mEq/l  − 4.9 (8.8)  − 3.7 (5)  − 5.0 (9.85)
Lactate mmol/l 2.75 (4.75) 2.7 (3.9) 2.9 (7.42)
Ca-ion mmol/l 1.15 (0.0975) 1.15 (0.07) 1.14 (0.175)