Table 3.

Comparison of factors between groups with and without postoperative complications

Variables	With complications (n=17)	Without complications (n=35)	p-value
Age (years)	73 (71–77)	72 (66–75)	0.132
Male/female, n (%)	10/7 (59/41)	16/19 (46/54)	0.555
BMI (kg/m2)	21.9 (20.7–24.0)	23.7 (21.8–24.7)	0.140
Frailty, n (%) Brinkman index	10 (58.8) 535 (0–925)	5 (14.3) 204 (0–735)	0.003 0.247
GNRI	96.5 (91.7–102.5)	94.1 (91–100.5)	0.788
Cancer stage, n (%)			0.950
0	2 (12)	0 (0)
IA	0 (0)	4 (11)
IB	0 (0)	0 (0)
IIA	6 (35)	14 (40)
IIB	8 (47)	16 (46)
III	1 (6)	0 (0)
IV	0 (0)	1 (3)
CCI, n (%)			0.540
Low	6 (35)	9 (26)
Medium	8 (47)	22 (63)
High	3 (18)	4 (11)
NAC, n (%)	12 (70.6)	27 (77.1)	0.506
LOS (day)	31 (28–49)	20 (18–24)	<0.01
Surgical procedure, PD / DP, n (%)	6 (35.3) / 11 (64.7)	23 (65.7) / 12 (34.3)	0.073
Operative time (min)	306 (235–382)	371 (312–462)	0.106
Infusion volume (mL)	3220 (2380–3620)	3255 (2653–5005)	0.233
Blood loss (mL)	460 (280–745)	370 (207–647.5)	0.470
6MWD (m)	380 (345–435)	436 (408–483)	0.022
Grip strength (%)	21.5 (12.3–40.5)	32.5 (14.5–48.1)	0.155
KES (%)	37.2 (24.0–54.8)	44.2 (32.6–51.0)	0.135
VC (L)	2.69 (2.19–3.12)	2.81 (2.52–3.17)	0.308
%VC (%)	101.1 (94.2–110.4)	111.4 (94.7–117.2)	0.201
FEV1 (L)	1.90 (1.71–2.45)	2.11 (1.77–2.37)	0.441
FEV1% (%)	75.3 (66.3–78.6)	76.9 (67.9–80.9)	0.565
Hb (g/dL)	10.9 (10.6–12.5)	11.7 (11–12.3)	0.490
TP (g/dL)	6.3 (6.0–6.9)	6.2 (5.9–6.6)	0.532
Alb (g/dL)	3.4 (3.1–3.6)	3.6 (3.3–3.9)	0.074

Values are reported as the median (interquartile range) or number of patients (percentage).

BMI: body mass index

GNRI: Geriatric Nutritional Risk Index

CCI: Charlson Comorbidity Index

NAC: neoadjuvant chemotherapy

LOS: length of hospital stay

6MWD: 6-min walk distance

KES: knee extension strength

VC: vital capacity

%VC: percent vital capacity

FEV1: forced expiratory volume in 1 s

FEV1%: percent forced expiratory volume in 1 s

Hb: hemoglobin

TP: serum total protein

Alb: serum albumin