Table 1

Distribution of uric acid levels by age, sex, region and ethnic
Male Female Total
N M±SD(μmol/L) N M±SD(μmol/L) N M±SD(μmol/L)
Age group
18-24 yrs 548 363.7±76.0a 684 264.9±56.4a * 1232 308.8±82.1
25-34 yrs 584 372.9±79.2a 746 247.9±56.7b * 1330 302.8±91.7
35-44 yrs 756 364.5±77.3a 944 249.5±56.0b * 1700 300.5±87.5
45-54 yrs 808 358.4±80.6a 1053 263.7±61.2a * 1857 304.7±84.5
55-64 yrs 511 334.1±77.4b 753 273.5±64.3a * 1264 298.0±75.9
65-74 yrs 414 340.1±83.2b 454 291.1±73.3c * 868 314.4±81.8
> 75 yrs 104 341.4±77.1b 80 296.5±84.5c * 184 321.9±83.2
Total 3725 357.7±81.6 4714 263.3±62.6* 8439 305.0±85.6
Region
Center of big cities 812 363.1±75.8a 1111 269.8±63.3a * 1923 309.2±82.8a
Suburbs of big cities 778 374.5±78.2b 953 285.8±65.0b * 1731 325.7±83.8b
Small and medium cities 876 347.2±77.9c 1068 253.4±55.1c * 1944 295.6±81.1c
Agricultural and pastoral areas 1250 348.6±82.5c 1582 251.8±61.1c * 2832 294.5±86.0c
Ethnic group
Han 2662 360.1±81.9a 3197 267.8±62.1a * 5859 309.7±85.2a
Mongolian 532 351.0±76.1a 760 247.8±60.8b * 1292 290.3±84.5b
Korean 387 348.3±89.7a 567 257.1±66.0c * 954 294.1±88.6b

a b c: same letter showed that no difference was found between two age groups, two regions or two ethnic groups of a same gender with the SNK test.

*T test results of comparison with men, P < 0.01.

M mean and SD standard deviation.

Qiu et al.

Qiu et al. BMC Public Health 2013 13:664   doi:10.1186/1471-2458-13-664

Open Data