Effects of low-density lipoprotein cholesterol on lymph node metastasis after radical esophagectomy

Table 1 Lipids characteristics of each group

	Age		Sex		N0	N+	T1	T2	T3	T4
	≥ 60	< 60	Male	Female
TG (mmol/L)	1.17 ± 0.68	1.11 ± 0.72	1.17 ± 0.75	1.12 ± 0.49	1.17 ± 0.76	1.14 ± 0.63	1.28 ± 0.88	1.23 ± 0.66	1.17 ± 0.72	1.09 ± 0.63
CHOL (mmol/L)	4.49 ± 0.97	4.42 ± 0.84	4.36 ± 0.87	4.80 ± 0.15	4.40 ± 0.88	4.54 ± 0.98	4.38 ± 0.87	4.30 ± 0.97	4.48 ± 0.81	4.57 ± 1.05
HDL (mmol/L)	1.20 ± 0.28	1.17 ± 0.28	1.17 ± 0.27	1.26 ± 0.30	1.22 ± 0.29	1.16 ± 0.27	1.15 ± 0.22	1.21 ± 0.29	1.20 ± 0.29	1.18 ± 0.27
LDL (mmol/L)	2.53 ± 0.74	4.98 ± 2.30	3.36 ± 1.32	2.36 ± 0.83	2.42 ± 0.75	3.85 ± 1.57	2.50 ± 0.85	2.31 ± 0.78	2.52 ± 0.64	4.46 ± 1.91
Apo-A1 (g/L)	1.25 ± 0.23	1.23 ± 0.23	1.23 ± 0.23	1.29 ± 0.24	1.26 ± 0.23	1.23 ± 0.23	1.25 ± 0.21	1.24 ± 0.24	1.25 ± 0.24	1.24 ± 0.22
Apo-B (g/L)	0.84 ± 0.19	0.83 ± 0.20	0.83 ± 0.18	0.88 ± 0.23	0.83 ± 0.19	0.85 ± 0.20	0.87 ± 0.23	0.79 ± 0.17	0.85 ± 0.15	0.84 ± 0.21
Lpa (nmol/L)	236.39 ± 216.24	255.52 ± 233.29	233.40 ± 212.01	264.75 ± 244.13	231.67 ± 200.92	250.12 ± 237.25	166.26 ± 165.06	231.78 ± 224.21	254.76 ± 222.84	247.86 ± 226.81

TG: Triglyceride; TC: Total cholesterol; LDL: Low-density lipoprotein cholesterol; HDL: High-density lipoprotein cholesterol; Apo-A1: Apolipoprotein A1; Apo-B: Apolipoprotein B; LPa: Lipoprotein a.

Table 2 Univariate Logistic regression analysis for risk factors of T-staging

	T1 (n = 24)	T2 (n = 47)	T3 (n = 118)	T4 (n = 105)	χ/Z	P value
Sex (male, %)	17 (70.5%)	30 (63.8%)	87 (73.7%)	85 (81%)	5.323	0.15
Age (years)	61 (54, 66.5)	65 (51, 69)	64 (59, 70)	65 (59, 70)	5.026	0.170
TG (mmol/L)	1 (0.70, 1.63)	1.06 (0.77, 1.32)	0.99 (0.75, 1.45)	0.95 (0.73, 1.26)	2.095	0.553
TC (mmol/L)	4.20 (3.87, 4.99)	4.22 (3.73, 5.01)	4.56 (4.07, 4.88)	4.55 (3.80, 5.30)	2.726	0.436
HDL (mmol/L)	1.12 (0.99, 1.29)	1.15 (0.95, 1.41)	1.15 (1.00, 1.37)	1.16 (0.99, 1.38)	0.436	0.933
LDL (mmol/L)	2.29 (1.95, 3.01)	2.22 (1.68, 2.83)	2.52 (2.14, 2.92)	2.48 (2.06, 3.08)	4.369	0.224
Apo-A1(g/L)	1.30 (1.10, 1.40)	1.20 (1.00, 1.40)	1.20 (1.10, 1.40)	1.30 (1.10, 1.40)	0.319	0.956
Apo-B (g/L)	0.80 (0.70, 1.05)	0.80 (0.60, 0.90)	0.80 (0.70, 1.00)	0.80 (0.70, 0.93)	3.386	0.336
Lpa (nmol/L)	123.00 (61.25, 208.75)	147.00 (74.00, 304.00)	176.50 (92.60, 350.75)	172.00 (78.70, 351.50)	4.308	0.230

TG: Triglyceride; TC: Total cholesterol; LDL: Low-density lipoprotein cholesterol; HDL: High-density lipoprotein cholesterol; Apo-A1: Apolipoprotein A1; Apo-B: Apolipoprotein B; LPa: Lipoprotein a.