Table 3. Changes in serum lipids and free fatty acid (FFA) levels elicited by exercise training.

Measured Variable	Group	Pretest	Posttest	∆score
TG (mg/dL)	Exercise	172.6±66.8	134.5±48.9	−38.1±53.7*
	CON	173.4±58.9	161.5±51.5	−11.9±51.8
TC (mg/dL)	Exercise	208.2±55.7	168.8±27.4†	−39.4±46.2*
	CON	205.5±34.1	207.6±36.9	2.0±21.4
HDLC (mg/dL)	Exercise	41.0±11.2	53.0±8.2†	12.0±10.3***
	CON	39.8±8.5	43.4±8.4	3.6±2.7
Glucose (mg/dL)	Exercise	101.7±13.8	94.2±4.3	−7.5±14.3
	CON	102.5±13.4	103.8±10.6	1.3±9.8
FFA (µEq/L)	Exercise	431.4±139.2	324.3±73.2	−107.1±146.4*
	CON	449.3±109.0	411.1±80.4	−38.2±87.2

Data are means±SD, ∆score = change in the score between pretest and posttest, * p value of paired t-test (*: p<0.05, **: p<0.01, ***: p<0.001), ^† p value of two-way ANOVA test (group×time, ^†: p<0.05, ^††: p<0.01, ^†††: p<0.001), TG: triglycerides, TC: total cholesterol, HDLC: high density lipoprotein cholesterol, FFA: free fatty acid.