. 2015 Feb 13;10(2):e0117251. doi: 10.1371/journal.pone.0117251

Table 2. The mean dimensional measurement of the maxillary incisive canal.

Incisive canal		Overall average size (SD) & range in mm	Gender		P value
			Average size (SD) & range in mm
			Male (n = 46)	Female (n = 44)
IC width		3.85 (1.32)	4.17 (1.45)	3.51 (1.09)	0.015^*
IC width		[1.50–7.20]	[1.51–7.20]	[1.50–6.14]	0.015^*

Overall IC length		16.33 (4.43)	17.96 (3.96)	17.49 (4.18)	<0.001^*
Overall IC length		[4.51–30.24]	[10.64–30.24]	[10.26–31.71]	<0.001^*
	Right IC length	16.66 (4.52)	18.44 (4.12)	14.80 (4.20)	<0.001^*
	Right IC length	[4.84–28.77]	[9.84–28.77]	[4.84–23.24]	<0.001^*
	Left IC length	16.00 (4.80)	17.49 (4.18)	14.45 (4.95)	0.002^*
	Left IC length	[4.18–31.71]	[10.26–31.71]	[4.18–31.70]	0.002^*

* Independent t-test.