Research Article

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

Total616(C), 159(A)610(C), 165(A)
Number of hospitals; community, academic77(C), 23(A)79(C), 32(A)

AgeMean73.9 [6.1]74.1
65–74 years435 (56.1)441 (56.9).856
75–84 years291 (37.5)290 (37.4)
≥85-years49 (6.3)44 (5.7)
Sex
Male449 (57.9)462 (59.6).502
Ambulance
Used59 (7.6)66 (8.5).514
Destination
not at home25 (3.2)44 (5.7).019
Severity
Acute256 (33)259 (33.4).966
Chronic or others294 (37.9)289 (37.3)
Charlson comorbidity index
1169 (21.8)162 (20.9).915
297 (12.5)91 (11.7)
337 (4.8)39 (5)
Preoperative ERCP55 (7.1)44 (5.7).253
Preoperative BDI153 (19.7)147 (19).700
IOC15 (1.9)17 (2.2).721

Complication75 (9.7)93 (12).141
Acute pancreatitis9 (1.2)7 (0.9)
Peritonitis4 (0.5)14 (1.8)
Bowel obstruction3 (0.4)3 (0.4)
Change of BI
Deterioration14 (1.8)24 (3.1).054
No change692 (89.3)662 (85.4)
Improvement69 (8.9)89 (11.5)

Teaching status
Academic159 (20.5)165 (21.3).708

BI at admission90.7 [24.2]90.5
BI at discharge93.3 93.6
BI improvement2.6 [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