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

Table 4.

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

Parameter (mmol/L)	Group	N	Min	Max	Mean	±SD	±SE	P value
T3*	Smokers	17	3.07	6.26	4.86	0.78	0.19	0.775^NS
	Nonsmokers	21	3.96	6	4.8	0.48	0.1
T4*	Smokers	17	10.12	19.3	15.19	2.14	0.52	0.855^NS
	Nonsmokers	21	12.79	19.11	15.31	1.84	0.4
Vitamin D**	Smokers	17	4.82	27.12	13.46	7.39	1.79	0.883^NS
	Nonsmokers	21	3.55	34.54	14.51	8.36	1.82
Cholesterol*	Smokers	17	3.16	6.6	5.04	0.86	0.21	0.121^NS
	Nonsmokers	21	3.21	6.15	4.62	0.78	0.17
Triglyceride**	Smokers	17	0.37	2.91	0.91	0.59	0.14	0.103^NS
	Nonsmokers	21	0.28	2.09	0.74	0.53	0.12
HDL**	Smokers	17	1	2.21	1.39	0.37	0.09	0.681^NS
	Nonsmokers	21	0.84	2.68	1.45	0.43	0.09
LDL*	Smokers	17	1.6	4.4	3.3	0.8	0.2	0.119^NS
	Nonsmokers	21	1.8	4.5	2.9	0.8	0.2

NS = not significant (P > 0.05), Max = maximum, Min = minimum *t-test was used for the significance test **Mann–Whitney U-test was used for the significance test