Factor Analysis Influencing Postoperative Hospital Stay and Medical Costs for Patients with Definite, Suspected, or Unmatched Diagnosis of Acute Cholecystitis according to the Tokyo Guidelines 2013

Table 5

Multivariate analyses of the factors influencing PHS in the 171 patients who had definite, suspected, or unmatched AC diagnoses.

Variables	Regression coefficient	value
Age		0.1106
BMI		0.6531
PS		0.0022
Gallbladder stone		0.5475
CBD stone		0.3002
Acute cholangitis		0.2351
Preoperative biliary drainage		0.6988
Hospital stay before surgery		0.4268
Preoperative fasting period		0.2807
WBC		0.0107
Hb		0.4013
Plt		0.9304
CRP		0.6538
Alb		0.1447
BUN		0.0567
T-Bil		0.3045
ALP		0.1186
PT-INR		0.7111
Severity grade based on TG13		<0.001
B for the diagnosis of AC based on TG13		0.5722
C for the diagnosis of AC based on TG13		0.3456

PHS: postoperative hospital stay, AC: acute cholecystitis, BMI: body mass index, PS: performance status, CBD: common bile duct, WBC: white blood cell, Hb: hemoglobin, Plt: platelet cell, CRP: C-reactive protein, Alb: albumin, BUN: blood urea nitrogen, T-Bil: total bilirubin, ALP: alkaline phosphatase, PT-INR: prothrombin time-international normalized ratio, and TG13: Tokyo Guidelines 2013. and .