Pancreas-sparing duodenectomy with regional lymph node dissection for early-stage ampullary carcinoma: A case control study using propensity scoring methods

Table 5 Recurrence and survival between study groups

Characteristic	PD (n = 69)	PSD (n = 69)	P value
Recurrence rate, n (%)	14 (20.3)	16 (23.2)	0.427
Time to recurrence (mo)	10.2 (5.2-15.4)	8.7 (5.0-18.3)	0.518
Type of recurrence, n
Local recurrence	4	7	0.409
Distant metastases	4	6	0.331
Local recurrence and distant metastases	6	3	0.497
Overall survival
1 yr	81%	83%	0.617
3 yr	71%	70%	0.735
5 yr	46%	44%	0.591
Disease free survival
1 yr	81%	73%	0.704
3 yr	65%	61%	0.692
5 yr	41%	39%	0.679

Data are expressed as number of patients or median (range). PD: Pancreaticoduodenectomy; PSD: Pancreas-sparing duodenectomy.