Table 1 Baseline characteristics with and without CHD.

From: Association between neck circumference to height ratio and coronary heart disease: a case–control study in a Northern Chinese female population

Variables

Non-CHD

(n = 203)

CHD

(n = 350)

t/χ2/Z

P value

Age (years)

60.00 (55.00, 66.00)

64.00 (59.00, 70.00)

− 5.316

0.000***

Height (cm)

160.00 (157.00, 164.00)

160.00 (156.00, 163.00)

− 1.308

0.191

NC (cm)

35.00 (33.50, 37.00)

36.00 (34.50, 38.00)

− 3.834

0.000***

BMI (kg/m2)

25.89 ± 3.45

25.64 ± 3.56

0.805

0.421

Hypertension

118 (58.10)

263 (75.10)

17.358

0.000***

Diabetes

32 (15.80)

132 (37.70)

29.675

0.000***

Smoking

10 (4.90)

40 (11.40)

6.606

0.010*

Drinking

9 (4.40)

23 (6.60)

1.077

0.299

DBP (mmHg)

84.22 ± 10.42

82.64 ± 12.17

1.546

0.123

WBC (×109/L)

5.90 (5.20, 7.10)

6.30 (5.20, 7.60)

− 1.797

0.072

Hb (mmol/L)

133.62 ± 11.90

133.09 ± 12.45

0.501

0.617

PLT (×109/L)

224.00 (189.00, 263.00)

213.00 (184.00, 251.25)

− 1.788

0.074

AST (U/L)

18.00 (16.00, 23.00)

19 (16.00, 26.00)

− 1.957

0.050

K+ (mmol/L)

3.96 ± 0.46

3.98 ± 3.49

0.659

0.510

UA (mmol/L)

277.00 (234.00, 338.00)

290.00 (243.75, 341.00)

− 1.512

0.130

CR (mmol/L)

55.00 (49.00, 62.00)

58.50 (50.00, 67.00)

− 3.511

0.000***

TC (mmol/L)

4.41 ± 1.00

4.43 ± 1.10

− 0.223

0.824

LDL-C (mmol/L)

2.25 (1.75, 2.79)

2.25 (1.75, 2.85)

− 0.114

0.909

NHtR (cm/m)

22.13 ± 1.21

22.75 ± 1.76

− 4.103

0.000***

  1. NC neck circumference, BMI body mass index, DBP diastolic blood pressure, WBC white blood cells, Hb hemoglobin, PLT platelets, AST aspartate aminotransferase, UA uric acid, CR creatinine, TC total cholesterol, LDL-C low density lipoprotein cholesterol, NHtR neck circumference to height ratio. ***P < 0.001; **P < 0.01; *P < 0.05.