Table 2.

Systolic and diastolic blood pressure during the study

	Placebo		Puer tea extract		P-value
	Systolic	Diastolic	Systolic	Diastolic	Systolic	Diastolic
Females
Baseline	129±4.7	82±2.3	120±2.8	75±1.9	0.110	0.018
4 weeks	130±5.2	80±2.0	119±2.8	75±1.9	0.080	0.055
8 weeks	123±3.8	80±1.6	118±3.0	76±1.8	0.291	0.086
12 weeks	128±3.3	82±2.3	123±3.2	76±1.9	0.245	0.027
16 weeks	129±5.0	82±2.7	122±5.1	74±2.2	0.330	0.028
20 weeks	125±4.2	81±2.1	121±3.7	76±1.9	0.404	0.072
Males
Baseline	134±4.9	84±2.0	128±4.2	82±1.5	0.334	0.308
4 weeks	137±6.0	85±2.1	131±6.9	81±2.7	0.472	0.304
8 weeks	143±8.1	83±3.9	135±7.9	84±3.0	0.506	0.842
12 weeks	138±9.0	86±2.8	132±5.9	82±2.0	0.598	0.280
16 weeks	132±7.2	85±2.3	134±8.8	83±2.1	0.880	0.544
20 weeks	134±6.2	87±3.2	125±3.3	81±1.2	0.212	0.121

Notes: Data presented as mean ± standard deviation unless otherwise stated.