Table 7.

Comparison of intraoperative and postoperative conditions in the single-layer anastomosis group and the double-layer anastomosis group

Item	Single-layer anastomosis group	Double-layer anastomosis group	Mann-Whitney	P-value
Operation time (min)	220.059 (± 60.602)	379.412 (± 90.761)	179.000	0.000
Pancreaticojejunal anastomosis time (min)	17.922 (± 5.145)	31.333 (± 7.776)	185.000	0.000
Postoperative hospitalization time (d)	18.588 (± 5.285)	26.373 (± 15.815)	854.500	0.003
Total hospitalization time (d)	25.627 (± 6.551)	33.706 (± 15.899)	841.000	0.002
Hospitalization expense (yuan)	116787.667 (± 31900.927)	162788.608 (± 129732.500)	800.000	0.001