Comparative Screening Analytic Methods for Elderly of Blood Methylmercury Concentration between Two Analytical Institutions

Table 2

General characteristics and mercury mean concentration of analysis specimens.

	Total	Male	Female
N ()	47 (100)	30 (63.8)	17 (36.2)
Age (years)	58.6 ± 1.4	60.8 ± 1.6	54.6 ± 2.7
D Lab Results
Total mercury (g/kg)	9.5 [7.6, 11.8]	9.0 [6.7, 12.1]	10.5 [7.4, 15.0]
Methylmercury (g/kg)	8.6 [7.0, 10.6]	8.2 [6.2, 10.8]	9.4 [6.7 13.3]
Methyl/total ratio()	90.4 [88.9, 91.9]	90.8 [88.8, 92.7]	89.8 [87.4, 92.2]
N Lab Results
Total mercury (g/kg)	9.4 [7.4, 11.8]	8.8 [6.5, 12.0]	10.4 [7.2, 15.1]
Methylmercury (g/kg)	9.1 [7.2, 11.4]	8.6 [6.3, 11.7]	9.9 [6.8, 14.4]
Methyl/total ratio()	96.8 [95.0, 98.6]	97.6 [96.2, 99.2]	95.4 [91.1, 99.9]

: mean ± SE (standard error) and : geometric mean [95% confidence intervals]