. 2020 Nov 22;9(11):3760. doi: 10.3390/jcm9113760

Table 4.

Comparison of percentage content of nitrogen and carbon in tumour and margin and clinical features.

Clinical Features		N	Nitrogen Percentage Content in Tumour				Carbon Percentage Content in Tumour				Nitrogen Percentage Content in Margin			Carbon Percentage Content in Margin
Clinical Features		N	Mean	Stat. Analysis Z	t	p Value	Mean	Stat. Analysis Z	t	p Value	Mean	t	p Value	Mean	Stati. Analysis Z	t	p Value
BMI		18	0.12		0.2856	0.7789	0.46		−1.3072	0.2096	0.1	2.2454	<0.05	0.51		−1.3072	0.2096
Depth of infiltration (mm)		18	0.12		0.3175	0.755	0.46		0.3807	0.7084	0.1	−0.0158	0.9876	0.51		0.8694	0.3975
Tabacco smoking	yes	10	0.13	−0.4		0.6965	0.46	0.04		0.9654	0.1	0.25	0.8039	0.5	−1.38		0.1728
Tabacco smoking	no	8	0.12				0.46				0.1	0.25	0.8039	0.52
Alcohol consumption	yes	2	0.12	−0.91		0.3922	0.46	0.63		0.549	0.09	−2.59	0.1087	0.54	1.19		0.2614
Alcohol consumption	no	16	0.12	−0.91		0.3749	0.46	1.00		0.3283	0.1	−2.59	0.1087	0.51	−0.09		0.9298
Angioinvasion	yes	11	0.12	0,00		1.00	0.46	1.18		0.246	0.1	0.08	0.9359	0.51	0.39		0.7028
Angioinvasion	no	7	0.13	−2.11		<0.05	0.46	1.36		0.1797	0.1	0.08	0.9359	0.52	0.61		0.5532
Local lumpoh nodes metastasis	yes	13	0.12	−1.08		0.2887	0.46	0.49		0.6331	0.1	−0.15	0.8856	0.51	0.69		0.5028
Local lumpoh nodes metastasis	no	5	0.12	−1.08		0.2887	0.45	0.49		0.6331	0.1	−0.15	0.8856	0.51	0.69
Nodal capsule infiltration	yes	6	0.12	−0.88		0.3865	0.47	1.77		0.077	0.1	−0.65	0.5263	0.52	1.32		0.1903
Nodal capsule infiltration	no	12	0.13	−0.88		0.3865	0.46	1.77		0.077	0.1	−0.65	0.5263	0.51	1.32
Neuroinvasion	yes	5	0.12	−0.47		0.6544	0.47	0.47		0.6544	0.1	−0.44	0.6688	0.52	1.66		0.1005
Neuroinvasion	no	13	0.13	−0.47		0.6544	0.46	0.47		0.6544	0.1	−0.44	0.6688	0.51	1.66