Retrospective Cohort Study
Copyright ©The Author(s) 2025.
World J Gastrointest Surg. Mar 27, 2025; 17(3): 102638
Published online Mar 27, 2025. doi: 10.4240/wjgs.v17.i3.102638
Table 2 Correlation between clinical data variables and serum calcium ion levels on the first postoperative day
Relevant factor
Spearman’s correlation coefficient
P value
Age (years)-0.253< 0.001a
Sex0.0030.963
Ethnic group-0.0380.600
BMI0.1480.042a
CEA-0.2240.002a
CA19-9-0.0350.673
Hb0.1290.075
PLT0.0520.476
Alb0.2030.005a