Skip to main content

Table 2 Potassium

From: Preoperative risk factors including serum levels of potassium, sodium, and creatinine for early mortality after open abdominal surgery: a retrospective cohort study

 

Unadjusted

Adjusted for age and sex

Fully adjusted

Hyperkalemia (N = 466)

2.41 (1.93; 3.02)****

2.22 (1.76; 2.80)****

2.08 (1.62; 2.66)****

Hypokalemia (N = 855)

1.80 (1.49; 2.17)****

1.71 (1.40; 2.08)****

1.38 (1.13; 1.69)**

Age (per 10 years)

2.01 (1.82; 2.22)****

1.80 (1.62; 1.99)****

Male vs female

1.28 (1.07; 1.54)**

1.42 (1.18; 1.72)***

Time from blood test to surgery (per hour)

1.00 (1.00; 1.00)

Acute vs eletive surgery

5.39 (3.98; 7.31)****

I. Gastroduodenal (N = 362)

5.69 (3.17; 10.22)****

III. Small bowel (N = 291)

3.26 (1.78; 5.98)****

IV. Appendix (N = 178)

1.11 (0.52; 2.36)

V. Colon (N = 1426)

3.9 (2.23; 6.82)****

VI. Rectum (N = 496)

3.53 (1.87; 6.69)****

VII. Herniotomy, adhesiolysis, splenectomy, and diagnostic purposes (N = 723)

3.99 (2.26; 7.04)****

  1. Odds ratios and 95% confidence intervals for 30-day mortality. Biliary surgery (N = 214) and normokalaemia (N = 2369) were used as reference for their respective groups
  2. Adjusted for age, sex, surgical priority( elective vs. emergency) and type of surgery(I-VII)
  3. ****P < 0.0001, ***P < 0.001, **P < 0.01