Table 2 Surgical characteristics of the study patients^a

Vessels grafted

0.14

 1

5 (17)

6 (18)

 2

0 (0)

5 (15)

 3

13 (43)

14 (42)

 4

11 (37)

8 (24)

 5

1 (3)

0 (0)

Valve surgery

0.15

 None

17 (55)

22 (67)

 Aortic

13 (42)

7 (21)

 Mitral

1 (3)

4 (12)

Other procedure

2 (6)

1 (3)

0.61

Intra-operative complication(s)

2 (6)

0 (0)

0.23

Length of surgery (min)

211 (186, 251)

210 (191, 226)

0.56

Bypass time (min)

95 (69, 118)

80 (72, 96)

0.24

Cross-clamp time (min)

77 (54, 98)

63 (54, 76)

0.13

Received red blood cells

9 (29)

5 (15)

0.23

Fluids/transfusion (mL)

 Saline

1000 (500, 1500)

1000 (400, 1800)

0.84

 Lactated Ringer’s

1700 (1000, 2000)

1600 (1200, 2100)

0.85

 Cell saver

400 (300, 450)

250 (300, 430)

0.49

Estimated blood loss (mL)^b

200 (123, 500)

200 (123, 500)

0.79

Urine output (mL)

350 (265, 600)

515 (325, 710)

0.13