Table 2. Serum lipid and lipoprotein levels in subjects, 1998–2015.

	1998–2000	2007–2008	2015	P value
TC, mmol/L	4.79 (1.15)	5.17 (1.04)	4.59 (0.95)	<0.001
TG, mmol/L	0.94 (0.57)	1.58 (1.28)	1.11 (0.87)	<0.001
HDL-C, mmol/L	1.08 (0.36)	1.50 (0.50)	1.44 (0.33)	<0.001
LDL-C, mmol/L	3.53 (1.09)	2.87 (1.05)	2.67 (0.78)	<0.001
Non-HDL-C, mmol/L	3.71 (1.13)	3.67 (1.02)	3.15 (0.90)	<0.001
TC/HDL-C	5.00 (3.61)	3.72 (1.21)	3.31 (0.85)	<0.001
TG/HDL-C	1.01 (0.76)	1.20 (1.06)	0.93 (0.87)	<0.001
LDL-C/HDL-C	3.80 (2.06)	2.06 (0.87)	1.93 (0.65)	<0.001

HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; TC, total cholesterol; TG, triglyceride.

Data are presented as mean (standard deviation).