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Table 1 Demographics of patients between Non-AKI group and AKI group

From: Association of intraoperative hypotension with acute kidney injury after liver resection surgery: an observational cohort study

Parameter

Non-AKI group (n = 756)

AKI group (n = 40)

P

Chi-squared

Age (years), Median [25th to 75th P]

59 [51–65]

65 [56–68]

0.003

 

≥65 years, n(%)

211 (27.9%)

21 (52.5%)

0.001

11.124

Weight (kg), Median [25th to 75th P]

66.0 [60.0–75.0]

68.5 [56.5–73.5]

0.664

 

Height (cm), Median [25th to 75th P]

167.0 [160.0–172.0]

166.0 [158.8–172.3]

0.417

 

Male, n(%)

460 (60.8%)

24 (60.0%)

0.915

0.011

Hypertension, n(%)

176 (23.3%)

14 (35.0%)

0.090

2.871

Diabetes, n(%)

102 (13.5%)

9 (22.5%)

0.109

2.569

CHD, n(%)

43 (5.7%)

5 (12.5%)

0.086

 

Hepatitis B, n(%)

307 (40.6%)

12 (30.0%)

0.182

1.780

ACEI/ARB, n(%)

56 (7.4%)

6 (15.0%)

0.118

 

Diuretics, n(%)

1 (0.13%)

0 (0%)

1.000

 

NSAIDs, n(%)

24 (3.2%)

2 (5.0%)

0.380

 

ASA class1–2/class 3–4

406/350

16/24

0.091

2.864

Major/Minor resection

230/526

14/26

0.541

0.374

Laparoscope, n(%)

440

21

0.477

0.507

Preinduction baseline MAP (mmHg), Median [25th to 75th P]

96.7 [90.0–106.7]

98.3 [93.3–105.4]

0.351

 

Basic laboratory characteristics

 AST (IU/L), Median [25th to 75th P]

24 [18–34]

28 [21–47]

0.018

 

 ALT (IU/L), Median [25th to 75th P]

24 [16–41]

30 [20–50]

0.041

 

 sCr (μmol/L), Median [25th to 75th P]

64.0 [53.0–77.7]

55.0 [47.6–74.0]

0.056

 

 eGFR (ml/min/1.73m2), Median [25th to 75th P]

82.2 [67.3–100.4]

87.9 [68.5–105.1]

0.540

 

 BUN (μmol/L), Median [25th to 75th P]

5.4 [6.3–4.3]

5.4 [3.8–6.2]

0.438

 
  1. AKI acute kidney injury, 25th to 75th P 25th to 75th percentiles, CHD coronary heart disease, ACEI angiotensin converting enzyme inhibitors, ARB angiotensin receptor blockers, NSAIDs non-steroidal anti-inflammatory drugs, ASA american society of anesthesiologists, MAP mean arterial pressure, AST aspartate aminotransferase, ALT alanine aminotransferase, sCr serum creatinine, eGFR estimated glomerular filtration rate, BUN blood urea nitrogen