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Table 1 Basic patient and surgery characteristics

From: Why does a point of care guided transfusion algorithm not improve blood loss and transfusion practice in patients undergoing high-risk cardiac surgery? A prospective randomized controlled pilot study

 

Conventional group

(n = 14)

PoC group

(n = 11)

P

Sex [male]

11 (79)

6 (55)

0.397

Age [years]

70.5 (65.5–74)

71 (69–76)

0.501

BSA [m2]

2.07(1.98–2,12)

2.00 (1.91–2.07)

0.183

EuroScore

5 (4.5–6.3)

6 (6–8)

0.166

EF [%]

60 (54–62)

57 (50–73)

0.893

Combined CABG and valve surgery

10 (71)

7 (64)

1.000

Redo surgery

4 (29)

3 (27)

1.000

Double valve surgery

0 (0)

1 (9)

0.902

CPB time [min]

107 (87–129)

115 (99–135)

0.291

Clamping time [min]

80 (59–95)

98 (69–120)

0.344

Length of surgery [min]

209 (193–253)

225 (177–260)

0.979

Length of surgical haemostasis [min]

50 (46–61)

40 (35–52)

0.166

APACHE II

14.5 (11–17.5)

16 (11–17)

0.536

SAPS II

28 (25–32.25)

31 (25–35)

0.403

Mechanical ventilation [hours]

9 (6–16)

9 (7–12)

0.979

Incidents of RRT

0

1 (9.1)

0.902

  1. Results are given as n (%) or median (IQR). Differences were analysed using nonparametric Mann-Whitney U for or Chi-square test two independent samples with α = 0.05 (two-sided)
  2. Abbreviations: BSA Body surface area, EF Ejection fraction, CABG Coronary artery bypass grafting, CPB Cardio-pulmonary bypass, RRT Renal replacement therapy
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