Table 2.

Postoperative Outcomes According to Preoperative Nutritional Status

	Overall (n=154)	Group A (n=20)	Group B (n=92)	Group C (n=42)	p-value
					Total	A vs B	A vs C	B vs C
Overall morbidity	64 (41.6)	4 (20.0)	39 (42.4)	21 (50.0)	0.043*	0.062	0.026*	0.411
Clavien-Dindo criteria
Grade II	25 (16.2)	0	16 (17.4)	9 (21.4)	0.041*	0.045*	0.025*	0.578
Grade IIIa or worse	39 (25.3)	4 (20.0)	23 (25.0)	12 (28.6)	0.765	0.636	0.471	0.662
POPF grade	30 (19.5)	0	22 (23.9)	8 (19.0)	0.035*	0.015*	0.038*	0.531
Grade B	28 (18.2)	0	20 (21.7)	8 (19.0)
Grade C	2 (1.3)	0	2 (2.2)	0
Delayed gastric emptying	9 (5.8)	0	6 (6.5)	3 (7.1)	0.487	0.240	0.220	0.894
Wound dehiscence	22 (14.3)	4 (20.0)	11 (12.0)	7 (16.7)	0.569	0.338	0.748	0.458
Postoperative bleeding	5 (3.2)	0	4 (4.3)	1 (2.4)	0.571	0.342	0.487	0.577
Pulmonary	3 (1.9)	0	3 (3.3)	0	0.359	0.412	0.237
Adhesive ileus	1 (0.6)	0	1 (1.1)	0	0.714	0.640	0.498
Choledochojejunostomy leak	1 (0.6)	0	1 (1.1)	0	0.714	0.640	0.498
Intra-abdominal fluid collection†	16 (10.4)	0	10 (10.9)	6 (14.3)	0.222	0.122	0.075	0.572
In hospital mortality	0	0	0	0
Postoperative hospital stay, day	17.7±8.3	16.9±5.2	17.7±7.9	18.1±10.2	0.939	0.669	0.641	0.832

Data are presented as the number (%) or mean±SD. Group A, well-nourished; group B, at-risk-of-malnutrition; group C, malnourished.

POPF, perioperative pancreatic fistula.

^*Significantly different;

^†Only complications requiring interventional radiologic procedures were counted.