Laparoscopic versus open pancreatic resection for ductal adenocarcinoma: separate propensity score matching analyses of distal pancreatectomy and pancreaticoduodenectomy

Table 1 Separate comparison of demographics and clinical characteristics

Variable	LDP (n = 86)	ODP (n = 86)	p value	LPD (n = 101)	OPD (n = 101)	p value
Age (years)^a	62.7 ± 8.7	62.9 ± 8.8	0.90	62.4 ± 8.2	62.2 ± 8.4	0.87
Sex (Male: Female)	54: 32	54: 32	1.00	67: 34	67: 34	1.00
BMI (kg/m²)^a	22.5 ± 2.5	22.3 ± 2.3	0.53	22.3 ± 2.5	22.5 ± 2.6	0.58
ASA classification (I:II:III)	40: 43: 3	41: 42: 3	0.99	47: 52: 2	45: 54: 2	0.96
Presence of comorbidity (Yes:No)	38: 48	36: 50	0.76	44: 57	46: 55	0.78
Hypertension	26	20		22	31
Diabetes mellitus	17	15		15	16
Cardiovascular	2	1		3	3
Pulmonary	5	4		5	2
Hepatic	2	1		3	0
Others	1	1		3	2
Previous abdominal surgery (%)	7 (8.1%)	8 (9.3%)	0.79	6 (5.9%)	9 (8.9%)	0.42
Preoperative CA19–9 (IU/mL)^b	108.9 (1.6–3111.0)	113.2 (4.1–3542.0)	0.40	125.7 (4.4–5041.0)	145.7 (1.5–5113.0)	0.95
Preoperative bilirubin (μmol/L)^b	11.8 (4.6–28.3)	12.5 (5.2–24.3)	0.74	83.5 (4.7–320.8)	94.0 (5.9–390.8)	0.44

a: values were showed as mean (standard deviation) and tested by Student’s t test; b: values were showed median (range) and tested by Mann-Whitney U test. BMI body mass index, ASA American Society of Anesthesiologists

ISSN: 1471-2407