Table 1 Characteristics, preoperative laboratory values, and intraoperative variables of patients who were and were not transfused with PRBC during radical nephrectomy

Age (years)

55.3 ± 12.8

57.6 ± 12.7

0.121

Gender (male/female)

277 (64.0 %) / 156 (36.0 %)

66 (70.9 %) / 27 (29.1 %)

0.199

Body mass index (kg/m²)

24.6 ± 3.4

23.6 ± 3.5

0.011

Hypertension

176 (40.6 %)

37 (39.8 %)

0.878

Diabetes mellitus

68 (15.7 %)

17 (18.3 %)

0.540

Coronary artery disease*

19 (4.4 %)

7 (7.5 %)

0.196

Respiratory disease^†

25 (5.8 %)

9 (9.7 %)

0.167

History of abdominal operation

98 (22.6 %)

17 (18.3 %)

0.408

Albumin (g/dL)

4.1 ± 0.5

3.6 ± 0.7

<0.001

Albumin <3.5 g/dL

36 (8.3 %)

39 (41.9 %)

<0.001

Hemoglobin (g/dL)

13.5 ± 1.9

11.6 ± 2.2

0.009

Hemoglobin <12.0 g/dL

72 (16.6 %)

49 (52.7 %)

<0.001

Prothrombin time (INR)

0.99 ± 0.08

1.04 ± 0.10

<0.001

Platelet (×10⁹/L)

253.0 ± 78.1

293.8 ± 129.2

0.004

Creatinine (mg/dL)

1.3 ± 2.0

1.4 ± 2.3

0.965

Uric acid (mg/dL)

5.3 ± 1.5

5.3 ± 1.6

0.258

Crystalloid infused (mL)

1757.6 ± 760.4

3897.3 ± 2758.5

<0.001

Colloid infused (mL)

158.2 ± 268

1145.2 ± 861.9

<0.001

Operative time (min)

193.4 ± 57.7

332.5 ± 171

<0.001

Cancer stage^‡

<0.001

I

239 (96.0 %)

10 (4.0 %)

II

67 (82.7 %)

14 (17.3 %)

III

85 (74.6 %)

29 (25.4 %)

IV

38 (52.1 %)

35 (47.9 %)

Urologist

0.570

A

154 (85.6 %)

26 (14.4 %)

B

115 (80.4 %)

28 (19.6 %)

C

73 (80.2 %)

18 (19.8 %)

D

91 (81.3 %)

21 (18.8 %)