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.
Variables
Total ()
A + B + C ()
A + B ()
(A or B) + C ()
A ()
B ()
Age (years)
64.2 ± 14.7
68.9 ± 13.5
58.1 ± 15.0
71.4 ± 17.9
57.2 ± 12.2
61.7 ± 10.0
Sex (male/female)
90/81
48/36
9/16
8/2
20/21
5/6
BMI (kg/m2)
23.7 ± 3.3
23.6 ± 3.3
25.0 ± 3.7
22.6 ± 3.2
23.7 ± 3.3
23.6 ± 3.1
DM (yes/no)
23/148
11/73
1/24
3/7
7/34
1/10
PS (0, 1/2/3/4)
87/36/20/20
28/19/17/20
22/2/0/1
2/2/1/5
27/10/2/2
8/3/0/0
CT scan (yes/no)
171/0
84/0
25/0
10/0
41/0
11/0
Gallbladder stones (yes/no)
171/0
84/0
24/1
9/1
41/0
11/0
CBD stones (yes/no)
22/149
16/68
2/23
3/7
0/41
0/11
WBC (×103/μL)
10.1 ± 5.2
13.6 ± 4.8
6.7 ± 1.9
11.0 ± 4.3
5.6 ± 1.1
7.2 ± 2.4
Alb (g/dL)
3.7 ± 0.8
3.3 ± 0.7
4.2 ± 0.3
3.0 ± 1.1
4.2 ± 0.4
3.9 ± 0.5
CRP (mg/dL)
6.6 ± 9.3
12.1 ± 10.2
0.9 ± 1.2
8.6 ± 7.9
0.1 ± 0
0.3 ± 0.3
Definitive diagnosis of AC (yes/no)
84/87
84/0
0/25
0/10
0/41
0/11
Acute cholangitis (yes/no)
29/142
24/60
2/23
3/7
0/41
0/11
Preoperative biliary drainage (yes/no)
28/143
11/73
5/20
2/11
6/35
4/4
Hospital stay before surgery (day)
4.6 ± 6.2
6.9 ± 7.0
1.3 ± 1.0
9.2 ± 7.8
1.2 ± 0.8
2.7 ± 5.2
Surgical procedure (laparoscopic/conversion to open/open)
147/20/4
66/15/3
24/1/0
7/2/1
39/2/0
11/0/0
Length of operation (min)
108 ± 34
121 ± 33
98 ± 25
125 ± 49
89 ± 22
89 ± 23
Blood loss (mL)
152 ± 291
243 ± 310
14 ± 40
428 ± 585
18 ± 38
31 ± 39
Histopathology of gallbladder (cases)
AC
52
47
0
4
1
0
Chronic cholecystitis
117
35
25
6
40
11
Other
2
2
0
0
0
0
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.