Table 1.

Comparisons between patients with EWGSOP2 and AWGS2019

Factor	AWGS2019 (n = 133)	EWGSOP2 (n = 73)	P value
Age	71.4 ± 8.8	73.3 ± 8.2	0.121
Gender, n (%)			0.018a
Female	42 (31.6)	12 (16.4)
Male	91 (68.4)	61 (83.6)
BMI	20.4 ± 2.6	20.0 ± 2.5	0.303
Albumin	35.9 ± 4.6	34.8 ± 4.3	0.098
Hypertension, n (%)			0.539
No	93 (69.9)	54 (74.0)
Yes	40 (30.1)	19 (26.0)
Diabetes, n (%)			0.908
No	114 (85.7)	63 (86.3)
Yes	19 (14.3)	10 (13.7)
ASA grade, n (%)			0.239
I	8 (6.0)	4 (5.5)
II	94 (70.7)	44 (60.3)
III	31 (23.3)	25 (34.2)
CCI	5 (5-6)	5 (5-6)	0.109
Operative duration	205.5 ± 55.9	195.0 ± 42.9	0.166
TNM stage, n (%)			0.806
I	23 (17.3)	11 (15.1)
II	28 (21.1)	18 (24.7)
III	82 (61.7)	44 (60.3)
Laparoscopic surgery, n (%)			0.494
No	116 (87.2)	66 (90.4)
Yes	17 (12.8)	7 (9.6)
Type of resection, n (%)			0.922
Subtotal	72 (54.1)	39 (53.4)
Total	61 (45.9)	34 (46.6)
Anastomosis method, n (%)			0.881
B1	41 (30.8)	25 (34.2)
B2	27 (20.3)	14 (19.2)
RY	65 (48.9)	34 (46.6)
Lymph node dissection, n (%)			0.073
D1	18 (13.5)	4 (5.5)
D2	115 (86.5)	69 (94.5)
Differentiation, n (%)			0.438
Differentiated	30 (22.6)	20 (27.4)
Undifferentiated	103 (77.4)	53 (72.6)
Total complications, n (%)	40 (30.1)	25 (34.2)	0.538
Pneumonia	17 (12.8)	10 (13.7)	0.852
Leakage	5 (3.8)	3 (4.1)	0.901
Wound infection	4 (3.0)	2 (2.7)	0.913
Intestinal obstruction	3 (2.3)	1 (1.4)	0.659
Gastrointestinal dysfunction	6 (4.5)	4 (5.5)	0.757
Intra-abdominal infection	7 (5.3)	5 (6.8)	0.642
Intra-abdominal hemorrhage	4 (3.0)	3 (4.1)	0.676
Venous thrombosis	2 (1.5)	1 (1.4)	0.939
First time to flatus	4 (3-5)	4 (3-6)	0.594
Hospital stay	16 (12-21)	16 (12-22)	0.566
Readmission within 30 d	8 (6.0%)	3 (4.1%)	0.561

^a P < 0.05. BMI: Body mass index; CCI: Charlson comorbidity index; ASA: American Society of Anesthesiologists.