Table III.

Pre- and post-physiological parameters of the subjects (n=30).

Physiological parameter	Mean	t/Z	P-value
Body mass index, kg/m2		0.74c	0.338
Pre	24.4
Post	24.1
Abdominal circumference, cm		3.004c	0.005b
Pre	84.2
Post	81.8
Systolic blood pressure, mmHg		-2.094d	0.036a
Pre	113
Post	108.3
Diastolic blood pressure, mmHg		-2.988d	0.030a
Pre	77.3
Post	73.2
Cholesterol levels, mg/dl		-0.229c	0.821
Pre	191.2
Post	191.9
Low density lipoprotein levels, mg/dl		-1.176c	0.249
Pre	129.8
Post	133.5
High density lipoprotein levels, mg/dl		-2.440d	0.015a
Pre	47
Post	49.5
Triglyceride levels, mg/dl		1.127c	0.269
Pre	114.3
Post	107.4
Very low density lipoprotein levels, mg/dl		-0.411d	0.681
Pre	22.8
Post	21.4

^aP<0.05,

^bP<0.01.

^cPaired t-test;

^dWilcoxon test. t, used for testing the mean of one population against a standard or comparing the means of two populations; Z, used for testing the proportion of a certain characteristic vs. a standard proportion, or comparing the proportions of two populations.