The prevalence, relative risk factors and MTHFR C677T genotype of H type hypertension of the elderly hypertensives in Shanghai, China: a cross-section study

Table 1 The demographic data and clinical characteristics of patients with H type hypertension

	Men			Women
	H type hypertension/total (n/n)	Hcy (μmol/L) mean ± SD	The ratio of H type hypertension (%)	H type hypertension /total (n/n)	Hcy (μmol/L) mean ± SD	The ratio of H type hypertension (%)
23–29 years old	1/1	11.89	100.0	1/2	11.02 ± 3.43	50.0
30–39 years old	19/19	15.85 ± 9.55	100.0	2/14	8.20 ± 1.72	14.3
40–49 years old	84/109	14.69 ± 9.18	77.1	43/150	9.65 ± 3.75	28.7
50–59 years old	757/935	13.99 ± 6.77	81.0	696/1687	10.20 ± 3.21	41.3
60–69 years old	3661/4062	15.62 ± 8.92	90.1	3324/5250	11.67 ± 4.35	63.3
70–79 years old	3402/3546	18.16 ± 10.78	95.9	3672/4365	14.01 ± 6.41	84.1
≥ 80 years old	1079/1095	22.34 ± 13.47	98.5	1410/1496	17.25 ± 8.10	94.3
Total	9003/9767	17.13 ± 10.32	92.2	9148/12,964	12.90 ± 5.91	70.6
Community health center
Yingpu	342/404	14.87 ± 8.49	84.7	443/821	11.38 ± 4.93	54.0
Jinze	2377/2563	17.58 ± 11.41	92.7	2458/3313	13.30 ± 5.60	74.2
Xiayang	1262/1433	15.55 ± 9.76	88.1	1405/2503	11.38 ± 4.40	56.1
Xianghuaqiao	1520/1706	16.13 ± 8.91	89.1	1402/1996	12.75 ± 5.73	70.2
Xujing	1953/1985	19.20 ± 11.03	98.4	2022/2308	14.83 ± 7.45	87.6
Zhujiajiao	1549/1676	16.89 ± 9.37	92.4	1418/2023	12.69 ± 5.88	70.1
Smoking	6427/7086	16.58 ± 10.33	90.7	202/285	13.65 ± 6.56	70.8
Diabetes	2111/2318	16.93 ± 10.87	91.1	1434/2163	12.48 ± 5.62	66.3

ISSN: 1471-2261