Prediction model of stress ulcer after laparoscopic surgery for colorectal cancer established by machine learning algorithm

Table 2 Multivariate logistic regression analysis of factors affecting postoperative stress ulcer in patients with colorectal cancer

Variables	β	SE	Wald	P value	OR	95%CI
Age	3.301	1.505	4.811	0.028	27.146	1.421-518.593
Lymph node metastasis	3.462	1.721	4.048	0.044	31.869	1.093-928.858
HSP70	2.496	1.132	4.857	0.028	12.129	1.318-928.858
HSP90	0.169	0.061	7.758	0.005	1.184	1.051-1.333
GAS	0.041	0.018	5.510	0.019	1.042	1.007-1.079

HSP70: Heat shock protein 70; HSP90: Heat shock protein 90; GAS: Gastrin.