Immune-nutritional score-based prognostic model for predicting postoperative complications and survival in gastric cancer

Table 2 Baseline characteristics of patients with gastric cancer, n (%)/mean ± SD

Variables		Case	Non-complication group (n = 165)	Complication group (n = 82)	χ2/t/z	P value
Age	< 65 years	150	97 (58.79)	53 (64.63)	0.79	0.38
	≥ 65 years	97	68 (41.21)	29 (35.37)
Sex	Male	186	128 (77.58)	58 (70.73)	1.38	0.24
	Female	61	37 (22.42)	24 (29.27)
BMI	> 24 kg/m2	107	79 (47.88)	28 (34.15)	4.21	0.04
	≤ 24 kg/m2	140	86 (52.12)	54 (65.85)
Smoking history	Yes	106	68 (41.21)	38 (46.34)	0.59	0.44
	No	141	97 (58.79)	44 (53.66)
Alcohol consumption history	Yes	128	84 (50.91)	44 (53.66)	0.17	0.68
	No	119	81 (49.09)	38 (46.34)
Combined diabetes	Yes	87	53 (32.12)	34 (41.46)	2.10	0.15
	No	160	112 (67.88)	48 (58.54)
Neoadjuvant chemotherapy	Yes	46	28 (16.97)	18 (21.95)	0.90	0.34
	No	201	137 (83.03)	64 (78.05)
Maximum tumor diameter	> 5 cm	125	77 (46.67)	48 (58.54)	3.10	0.08
	≤ 5 cm	122	88 (53.33)	34 (41.46)
Tumor location	Gastric body	28	20 (12.12)	8 (9.76)	0.31	0.86
	Fundus and cardia	54	36 (21.82)	18 (21.95)
	Gastric antrum	165	109 (66.06)	56 (68.29)
Histological differentiation	Poorly differentiated	132	82 (49.7)	50 (60.98)	2.81	0.25
	Moderately differentiated	71	51 (30.91)	20 (24.39)
	Well differentiated	44	32 (19.39)	12 (14.63)
TNM stage	I-II	91	65 (39.39)	26 (31.71)	1.39	0.24
	III-IV	156	100 (60.61)	56 (68.29)
Type of gastrectomy	Partial	94	66 (40.0)	28 (34.15)	0.80	0.37
	Complete	153	99 (60.0)	54 (65.85)
Lymph node metastasis	Yes	107	65 (39.39)	42 (51.22)	3.12	0.08
	No	140	100 (60.61)	40 (48.78)
Perineural invasion	Yes	52	34 (20.61)	24 (29.27)	2.29	0.13
	No	195	131 (79.39)	58 (70.73)
Vascular invasion	Yes	102	64 (38.79)	38 (46.34)	1.29	0.26
	No	145	101 (61.21)	44 (53.66)
CEA	< 5 ng/mL	158	108 (65.45)	50 (60.98)	0.48	0.49
	≥ 5 ng/mL	89	57 (34.55)	32 (39.02)
AFP	≤ 20 ng/mL	219	145 (89.51)	74 (87.06)	0.33	0.56
	> 20 ng/mL	28	17 (10.49)	11 (12.94)
WBC (× 109/L)		-	6.85 ± 1.66	7.21 ± 1.78	1.59	0.11
PLT (× 109/L)		-	132.18 ± 9.82	133.90 ± 11.13	1.24	0.22
Lymphocyte (× 109/L)		-	1.44 ± 0.29	1.27 ± 0.29	4.24	< 0.001
NEU (× 109/L)		-	3.91 ± 1.14	5.39 ± 1.47	8.70	< 0.001
NLR, median (P25, P75)		-	2.73 (2.07, 3.45)	4.21 (3.38, 5.31)	7.77	< 0.001
Alb (g/dL)		-	4.09 ± 0.48	3.64 ± 0.32	7.61	< 0.001
CRP (mg/L)		-	8.59 ± 1.92	13.13 ± 2.88	14.70	< 0.001

BMI: Body mass index; TNM: Tumor-node-metastasis; CEA: Carcinoembryonic antigen; AFP: Alpha-fetoprotein; WBC: White blood cell count; PLT: Platelet count; NEU: Neutrophil count; NLR: Neutrophil-to-lymphocyte ratio; Alb: Albumin; CRP: C-reactive protein.