Does Hyponatremia Affect the Short-Term Outcomes of Colorectal Cancer Surgery: A Propensity Score Matching Analysis

Table 3

Short-term outcomes before and after PSM.

Characteristics	Before PSM			After PSM
	Hyponatremia (184)	Normal sodium (6546)	value	Hyponatremia (184)	Normal sodium (184)	value
Operation time (min)			0.538			0.476
Blood loss (mL)			0.054			0.877
Hospital stay (day)			<0.01			0.426
Patients with overall complications	68 (37.0%)	1387 (21.2%)	<0.01	68 (37.0%)	46 (25.0%)	0.013
Patients with major complications	6 (3.3%)	186 (2.8%)	0.736	6 (3.3%)	6 (3.3%)	1.000

Note: Variables are expressed as the , (%), . Abbreviations: PSM, propensity score matching.