Table 3.

Ordinal logistic regression of factors relevant to the scoring of critical view of safety

Characteristics	Odds ratio	95% CI for odds ratio	SE	P
Work age	1.003	0.961–1.046	0.021	0.903
Sex of patients
Female	0.987	0.668–1.457	0.199	0.947
Male	Reference
Diagnosis
Gallstone/gallbladder polyps	0.917	0.579–1.452	0.234	0.712
Chronic cholecystitis	1.266	0.688–2.330	0.311	0.448
Acute cholecystitis	Reference
Emergency or not
Nonemergency	0.713	0.105–4.836	0.977	0.729
Emergency	Reference
Gender of surgeons
Male	0.729	0.109–4.881	0.970	0.744
Female	Reference
Title of surgeons
Resident	2.399	0.496–11.614	0.805	0.277
Attending	1.077	0.287–4.036	0.674	0.912
Vice-chief	2.148	0.657–7.020	0.604	0.206
Chief	Reference
Hospital level
Ministerial level	3.717	1.847–7.477	0.357	<0.001
Prefectural and provincial	2.339	1.198–4.566	0.341	0.013
County level	Reference

CI, coefficient interval; SE, standard error.

Significant P-values are in bold.