Exploration of Medicine

From: Effect of nonsurgical periodontal therapy on salivary visfatin and serum lipid levels in obese patients with chronic periodontitis

Table 1

Comparison of demographics, body mass index, and waist circumference between obese and non-obese groups

Parameter	Group	N	Mean	SD	SEM	t-value	p-value	Male (%)	Female (%)	Chi-square value	p-value
Age (years)	Obese	20	37.75	6.40	1.43	0.37	0.70	9 (45.00)	11 (55.00)	0.10	0.75
Age (years)	Non-obese	20	37.05	5.32	1.19	0.37	0.70	10 (50.00)	10 (50.00)	0.10	0.75
Body mass index (kg/m²)	Obese	20	31.93	1.40	0.31	18.45	< 0.05*
Body mass index (kg/m²)	Non-obese	20	21.61	2.06	0.46	18.45	< 0.05*
Waist circumference (cm)	Obese	20	90.50	7.87	1.76	5.32	< 0.05*
Waist circumference (cm)	Non-obese	20	78.65	6.08	1.36	5.32	< 0.05*

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p < 0.05 is considered statistically significant for both the independent samples t-test (mean age, body mass index, waist circumference) and the chi-square test (gender); *: denotes significance