The association of acute hypercarbia and plasma potassium concentration during laparoscopic surgery: a retrospective observational study

Table 3 Correlation analysis between partial pressure of arterial carbon dioxide (PaCO₂) changes, plasma potassium concentrations [K⁺]_p changes and other parameters

Variables	PaCO₂ changes		[K⁺]_p changes
Variables	Coefficient	P value	Coefficient	P value
Age	− 0.03	0.642	− 0.01	0.807
ASA classification	− 0.06	0.315	0.04	0.546
BMI	0.12*	0.049	0.03	0.632
Current smoking status	0.06	0.347	0.03	0.571
Lung disease	0.06	0.348	0.09	0.132
Coronary disease	− 0.04	0.553	− 0.01	0.829
Type II diabetes mellitus	− 0.04	0.534	0.13*	0.023
Essential hypertension	− 0.05	0.394	0.02	0.679
Renal disease	0.03	0.576	− 0.07	0.215
Hepatic disease	− 0.03	0.568	0.09	0.128
Elective / Emergency operation	0.08	0.161	− 0.02	0.735
Duration of surgery	0.02	0.783	0.10	0.102
Corrected ARISCAT score	0.06	0.356	0.06	0.337
Intraoperative fluid amount	0.01	0.928	0.10	0.113

Coefficients are presented as Pearson correlation for continuous variables or Spearman’s rho for categorical variables
* Indicates P < 0.05

ISSN: 1471-2482