. 2020 Jan 29;12(1):31–41. doi: 10.4103/jpbs.JPBS_271_18

Table 8.

Descriptive statistics and test of significance for the differences between female and male smokers and nonsmokers for the thyroid hormones, vitamin D, and lipid profile concentrations

Parameter (mmol/L)	Smokers					Nonsmokers

	Group	n	Mean	±SD	P value	n	Mean	±SD	P value
T3*	Females	17	4.86	0.78	0.012^S	21	4.80	0.48	0.000^S
T3*	Males	17	5.47	0.54	0.012^S	21	5.57	0.70	0.000^S
T4*	Females	17	15.19	2.14	0.095^NS	21	15.31	1.84	0.931^NS
T4*	Males	17	16.29	1.54	0.095^NS	21	15.37	2.55	0.931^NS
Vitamin D*^,	Females	17	13.46	7.39	0.605^NS	21	14.51	8.36	0.565^NS
Vitamin D*^,	Males	17	14.34	5.75	0.605^NS	21	15.95	7.67	0.565^NS
Cholesterol*	Females	17	5.04	0.86	0.133^NS	21	4.62	0.78	0.975^NS
Cholesterol*	Males	15	4.66	0.47	0.133^NS	21	4.63	0.72	0.975^NS
Triglyceride**	Females	17	0.91	0.59	0.002^S	21	0.74	0.53	0.001^S
Triglyceride**	Males	15	2.08	1.29	0.002^S	21	1.46	0.75	0.001^S
HDL*^,	Females	17	1.39	0.37	0.017^S	21	1.45	0.43	0.001^S
HDL*^,	Males	15	1.12	0.28	0.017^S	21	1.06	0.22	0.001^S
LDL*	Females	17	3.3	0.8	0.433^NS	21	2.9	0.8	0.053^NS
LDL*	Males	15	3.1	0.6	0.433^NS	21	3.3	0.7	0.053^NS

S = significant (P ≤ 0.05), NS = not significant (P > 0.05) *t-test was used for the significance test **Mann–Whitney U-test was used for the significance test **,* Mann–Whitney U-test was used for smokers and t-test was used for nonsmokers