Table 2.

Analysis of the Protection and Risk of Colorectal Cancer According to the Intensity of Each Ion

Ion [cut-off]		Cancer (%)	Control (%)	Odds Ratio (IC 95%)	P	SEN.	ESP.	AUC
704.82635	< cut-off	26 (35.62)	9 (12.33)	0.12	<0.001	0.757	0.722	0.718
[825]	≥ cut-off	10 (13.70)	28 (38.36)	(0.04 - 0.35)
857.11525	< cut-off	31 (42.47)	24 (32.88)	0.3	0.033	0.22	0.778	0.702
[1130]	≥ cut-off	5 (6.85)	13 (17.81)	(0.09 - 0.95)
876.20796	< cut-off	33 (45.21)	28 (38.36)	0.28	0.06	0.541	0.917	0.732
[918]	≥ cut-off	3 (4.11)	9 (12.33)	(0.07 - 1.15)
1031.54773	< cut-off	23 (31.51)	10 (13.70)	0.21	0.001	0.73	0.611	0.693
[486]	≥ cut-off	13 (17.81)	27 (36.99)	(0.08 - 0.57)
882.39725	< cut-off	15 (20.55)	25 (34.25)	2.92	0.025	0.62	0.694	0.669
[866]	≥ cut-off	21 (28.77)	12 (16.34)	(1.12 - 7.58)
907.41589	< cut-off	15 (20.55)	28 (38.36)	4.36	0.003	0.73	0.694	0.731
[743]	≥ cut-off	21 (28.77)	9 (12.33)	(1.60 - 11.86)
881.39308	< cut-off	21 (28.77)	30 (41.10)	3.06	0.033	0.73	0.75	0.745
[1420]	≥ cut-off	15 (20.55)	7 (9.59)	(1.06 - 8.80)
707.91816	< cut-off	19 (26.03)	30 (41.10)	3.83	0.009	0.784	0.611	0.701
[912]	≥ cut-off	17 (23.29)	7 (9.59)	(1.34 10.97)

SEN., Sensitivity; ESP., Specitivity; AUC, area under curve (accuracy)