Table 2 Baseline characteristics of the case and control groups

N

100

206

Age (years, M^a (IQR^b))

55.00 (50.00–61.00)

44.00(35.75–53.25)

Sex

Male (n, %)

50 (50.00)

100 (48.54)

Female (n, %)

50 (50.00)

106 (51.46)

BMI^c [kg/m², M^a (IQR^b)]

27.42 (24.83–29.41)

26.56 (23.45–29.17)

Smoking (n, %)

51 (51.00%)

80 (38.83%)

Alcohol consumption (n, %)

39 (39.00%)

73 (35.44%)

History of hypertension (n, %)

94 (94.00%)

164 (79.61%)

History of CVD^d (n, %)

38 (38.00%)

21 (10.19%)

History of medication (n, %)

68 (68.00%)

75 (36.41%)

salt intervention (n, %)

49 (49.00%)

109 (52.91%)

Baseline SBP^e [mmHg, M^a (IQR^b)]

164.25 (150.12–184.62)

148.00 (134.50–165.00)

Baseline DBP^f [mmHg, M^a (IQR^b)]

95.50 (89.25–106.38)

90.50 (81.00–99.50)

Heart rate [M^a (IQR^b)]

80.00 (71.25–89.00)

79.00 (72.00–87.25)

TG^g (mmol/L, M^a (IQR^b))

1.44 (0.80–1.90)

1.16 (0.78–1.98)

TC^h [mmol/L, M^a (IQR^b)]

5.52 (4.61–6.04)

5.00 (4.27–5.87)

HDL-C ⁱ [mmol/L, M^a (IQR^b)]

1.55 (1.29–1.88)

1.62 (1.39–1.88)

LDL-C^j [mmol/L, \(\overline{x}\) ± s]

2.67 ± 0.78

2.40 ± 0.74

CNV^k esv27061 (n, %)

6 (6.00%)

19 (9.22%)

CNV^k nsv483076 (n, %)

23 (23.00%)

27 (13.11%)