Comparative Quality of Laparoscopic and Open Cholecystectomy in the Elderly Using Propensity Score Matching Analysis
Table 3
Patient characteristics, care process, and outcomes according to cholecystectomy procedure after propensity score matching (, %).
Laparoscopic cholecystectomy (775)
Open cholecystectomy (775)
P
Total
616(C), 159(A)
610(C), 165(A)
Number of hospitals; community, academic
77(C), 23(A)
79(C), 32(A)
Age
Mean
73.9 [6.1]
74.1
65–74 years
435 (56.1)
441 (56.9)
.856
75–84 years
291 (37.5)
290 (37.4)
≥85-years
49 (6.3)
44 (5.7)
Sex
Male
449 (57.9)
462 (59.6)
.502
Ambulance
Used
59 (7.6)
66 (8.5)
.514
Destination
not at home
25 (3.2)
44 (5.7)
.019
Severity
Acute
256 (33)
259 (33.4)
.966
Chronic or others
294 (37.9)
289 (37.3)
Charlson comorbidity index
1
169 (21.8)
162 (20.9)
.915
2
97 (12.5)
91 (11.7)
3
37 (4.8)
39 (5)
Preoperative ERCP
55 (7.1)
44 (5.7)
.253
Preoperative BDI
153 (19.7)
147 (19)
.700
IOC
15 (1.9)
17 (2.2)
.721
Complication
75 (9.7)
93 (12)
.141
Acute pancreatitis
9 (1.2)
7 (0.9)
Peritonitis
4 (0.5)
14 (1.8)
Bowel obstruction
3 (0.4)
3 (0.4)
Change of BI
Deterioration
14 (1.8)
24 (3.1)
.054
No change
692 (89.3)
662 (85.4)
Improvement
69 (8.9)
89 (11.5)
Teaching status
Academic
159 (20.5)
165 (21.3)
.708
BI at admission
90.7 [24.2]
90.5
BI at discharge
93.3
93.6
BI improvement
2.6 [12.7]
3.2
Compared using analysis of variance. Other comparisons were made using Fisher's exact test standard deviation. C: community. A: academic. ERCP: endoscopic retrograde cholangiopancreatography BDI: bile duct intervention. IOC: intraoperative cholangiography