. 2013 Jul 23;29(2):246–249. doi: 10.1007/s12291-013-0363-7

Table 2.

Showing NNAL distribution in types of smokeless tobacco chewers (paired t-test)

	Types of smokeless tobacco chewers	N	Mean	SD	Std. error mean	t	Sig.
Total NNAL ×10⁻⁹ (mol/g creatinine)	Pan masala	6	2.9767	0.18833	0.07688	3.901	0.005
Total NNAL ×10⁻⁹ (mol/g creatinine)	Betal leaf and arecanuts	4	2.4700	0.22106	0.11053	3.901	0.005