Research Article

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 1

Characteristics and medical backgrounds for 171 patients who had definite, suspected, or unmatched AC diagnoses.

VariablesTotal
()
A + B + C
()
A + B
()
(A or B) + C ()A
()
B
()

Age (years)64.2 ± 14.768.9 ± 13.558.1 ± 15.071.4 ± 17.957.2 ± 12.261.7 ± 10.0
Sex (male/female)90/8148/369/168/220/215/6
BMI (kg/m2)23.7 ± 3.323.6 ± 3.325.0 ± 3.722.6 ± 3.223.7 ± 3.323.6 ± 3.1
DM (yes/no)23/14811/731/243/77/341/10
PS (0, 1/2/3/4)87/36/20/2028/19/17/2022/2/0/12/2/1/527/10/2/28/3/0/0
CT scan (yes/no)171/084/025/010/041/011/0
Gallbladder stones (yes/no)171/084/024/19/141/011/0
CBD stones (yes/no)22/14916/682/233/70/410/11
WBC (×103/μL)10.1 ± 5.213.6 ± 4.86.7 ± 1.911.0 ± 4.35.6 ± 1.17.2 ± 2.4
Alb (g/dL)3.7 ± 0.83.3 ± 0.74.2 ± 0.33.0 ± 1.14.2 ± 0.43.9 ± 0.5
CRP (mg/dL)6.6 ± 9.312.1 ± 10.20.9 ± 1.28.6 ± 7.90.1 ± 00.3 ± 0.3
Definitive diagnosis of AC (yes/no)84/8784/00/250/100/410/11
Acute cholangitis (yes/no)29/14224/602/233/70/410/11
Preoperative biliary drainage (yes/no)28/14311/735/202/116/354/4
Hospital stay before surgery (day)4.6 ± 6.26.9 ± 7.01.3 ± 1.09.2 ± 7.81.2 ± 0.82.7 ± 5.2
Surgical procedure (laparoscopic/conversion to open/open)147/20/466/15/324/1/07/2/139/2/011/0/0
Length of operation (min)108 ± 34121 ± 3398 ± 25125 ± 4989 ± 2289 ± 23
Blood loss (mL)152 ± 291243 ± 31014 ± 40428 ± 58518 ± 3831 ± 39
Histopathology of gallbladder (cases)
 AC52470410
 Chronic cholecystitis117352564011
 Other220000

AC: acute cholecystitis, BMI: body mass index, DM: diabetes mellitus, PS: performance status (Eastern Cooperative Oncology), CT: computed tomography, CBD: common bile duct, WBC: white blood cell, Alb: albumin, and CRP: C-reactive protein.