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Table 1 Baseline characteristics of subjects by lymph node metastatic status

From: Obesity promotes lipid accumulation in lymph node metastasis of gastric cancer: a retrospective case‒control study

Variables

Total (n = 1058)

N0 (n = 529)

N + (n = 529)

P value

Sex (n (%))

   

0.788

 Male

742 (70.1)

373 (70.5)

369 (69.8)

 

 Female

316 (29.9)

156 (29.5)

160 (30.2)

 

Age (n (%))

   

0.116

 ≤ 65 years

639 (60.4)

332 (62.8)

307 (58.0)

 

 > 65 years

419 (39.6)

197 (37.2)

222 (40.2)

 

Location (n (%))

   

0.108

 Upper

312 (29.5)

169 (31.9)

143 (27.0)

 

 Middle

375 (35.4)

189 (35.7)

186 (35.2)

 

 Lower

371 (35.1)

171 (32.4)

200 (37.8)

 

Grade (n (%))

   

 < 0.001

 G1/G1-2

73 (7.0)

71(13.6)

2 (0.4)

 

 G2

260 (25.0)

188 (35.9)

72 (14.0)

 

 G2-3

283 (27.3)

105 (20.1)

178 (34.5)

 

 G3

423 (40.7)

159 (30.4)

264 (51.1)

 

Tumor size (n (%))

   

 < 0.001

 ≤ 2.5 cm

481 (46.5)

341 (66.5)

140 (26.8)

 

 > 2.5 cm

554 (53.5)

172 (33.5)

382 (73.2)

 

PNI (n (%))

   

 < 0.001

 Absent

685 (64.7)

453 (85.6)

232 (43.9)

 

 Present

373 (35.3)

76 (14.4)

297 (56.1)

 

LVI (n (%))

   

 < 0.001

 Absent

698 (66.0)

472 (89.2)

226 (42.7)

 

 Present

360 (34.0)

57 (10.8)

303 (57.3)

 

T stage (n (%))

   

 < 0.001

 T1

430 (40.6)

354 (66.9)

76 (14.4)

 

 T2

157 (14.9)

81 (15.3)

76 (14.4)

 

 T3

325 (30.7)

76 (14.4)

249 (47.1)

 

 T4

146 (13.8)

18 (3.4)

128 (24.2)

 

Lauren (n (%))

   

 < 0.001

 Intestinal

401 (43.8)

257 (58.0)

144 (30.4)

 

 Diffuse

210 (22.9)

89 (20.1)

121 (25.6)

 

 Mixed

305 (33.3)

97 (21.9)

208 (44.0)

 

ELN

43.21 (11.85)

41.98 (11.59)

44.43 (12.00)

 < 0.001

TC (mmol/L)

4.49 (0.98)

4.58 (0.97)

4.38 (0.99)

0.001

TG (mmol/L)

1.42 (1.07)

1.45 (1.27)

1.38 (0.82)

0.362

HDL-C (mmol/L)

1.11 (0.27)

1.15 (0.28)

1.05 (0.24)

 < 0.001

LDL-C (mmol/L)

2.78 (0.72)

2.83 (0.71)

2.74 (0.73)

0.060

LP (a) (mg/L)

240.9 (230.6)

232.7 (226.8)

249.2 (234.2)

0.244

THR

1.41 (1.37)

1.41 (1.65)

1.42 (1.02)

0.842

BMI (kg/m2)

23.54 (2.99)

23.22 (2.90)

23.84 (3.06)

0.001

BMI (n (%))

   

 < 0.001

 < 23 kg/m2

463 (43.8)

263 (49.7)

200 (37.8)

 

 23–24.9 kg/m2

288 (27.2)

135 (25.5)

153 (28.9)

 

 ≥ 25 kg/m2

307 (29.0)

131 (24.8)

176 (33.3)

 
  1. Data are presented as the mean ± standard deviation for continuous variables and number (percentage) for categorical variables. P values were calculated using the chi-square test or Student's t test with two -tailed tests. The significant results (P < 0.05) are in bold
  2. Abbreviations: PNI perineural invasion, LVI lymphovascular invasion, ELN examined lymph nodes, TC total cholesterol, TG triglyceride, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, LP (a) lipoprotein (a), THR triglyceride to high-density lipoprotein cholesterol (TG/HDL-C) ratio, BMI body mass index
  3. Missing values for 19 patients
  4. the information was not recorded in 142 patients