Tracing overlapping biological signals in mid-infrared using colonic tissues as a model system

Table 1 linear discriminant analysis of spectra

Zone A	20	0	0	0	0
Zone B	1	16	3	0	0
Zone C	0	4	14	2	0
Zone D	1	0	2	16	1
Zone E	0	0	2	5	13

Table 2 Comparison of diagnostic parameters between different zones as evaluated statistically showing the P values

Apertures	1121/1020	1244/1230	Glucose/phosphate	996/966
Compared	P values	P values	P values	P values
45, 60	0.00164	0.000501	0.008998	0.267273
60, 75	0.00376	0.0003	0.187822	0.002968
75, 90	0.235976	0.319264	0.123108	0.003836
90, 120	4.26E-05	0.199106	1.55E-05	0.016475
45, 120	1.10E-05	0.000104	1.07E-10	0.007219
75, 120	0.000104	0.037284	9.58E-09	0.000418

The P values were obtained by comparing data at different apertures. Light gray shows significant difference at 0.01 < P < 0.05 and dark gray shows non-significant difference between the two values. Unshaded values show significant difference at P < 0.01.