Safety and short-term outcomes of gastrectomy after preoperative chemotherapy plus immunotherapy versus preoperative chemotherapy: a retrospective cohort study

Table 4 Comparison of perioperative recovery parameters between the PCIT group and PCT group

Postoperative recovery parameters	PCIT group (n=25)	PCT group (n=137)	p-value
Operation time (min)	231(185.5,254.5)	205(170,251.50)	0.197
Estimated blood loss (mL)	100(50,175)	100(80,150)	0.891
The first aerofluxus time (days)^a	3(2,4)	3(3,4)	0.349
The first defecating time (days)^b	5(4,6)	5(4,6)	0.800
Time to pull drainage (days)^c	8(6,10)	8(7,10)	0.212
The first time on liquid diets (days)^d	4(3,5)	5(4,6)	0.233
Length of stay (days)^e	10(8,14)	11(9,13)	0.278
Using IV-PCA	25(100)	137(100)	1.000
Time of using IV-PCA (h)^f	72(72,84)	72(72,96)	0.026
Supplementary morphine consumption (mg)	0(0,25.12)	0(0,30.24)	0.881

^aThe first aerofluxus time (days): There was one case missing data in the chemotherapy group
^bThe first defecating time (days): There was one case missing data in the chemotherapy group
^cTime to pull drainage (days): There were two cases missing data in the chemotherapy group
^dThe first time on liquid diets (days): There were two cases missing data in the chemotherapy group
^eTime of using IV-PCA (h): There was one case missing data in the chemotherapy group

ISSN: 1471-2407