BMC Gastroenterology

Table 2 Frequencies of cells with loss, normal status and gain in copy numbers of the target in chagasic megaesophagus and normal mucosa groups.

From: Chromosomal imbalances are uncommon in chagasic megaesophagus

	<2 copies per cell			2 copies per cell		>2 copies per cell
Target	CM	NM	χ²test	CM	NM	CM	NM
FHIT
N	20	2	P = 10.672^ns	2478	144	6	3
%	0.79	1.34		98.96	96.64	0.24	2.04
PIK3CA
N	898	57	P = 0.000*	1530	139	35	4
%	36.39	28.50		61.99	69.50	1.42	2.00
TP63
N	885	58	P = 2.579^ns	2878	136	37	6
%	23.29	29.00		75.74	68.00	0.97	3.00
EGFR
N	298	12	P = 1.067^ns	3433	187	171	1
%	7.59	6.00		88.03	93.50	4.38	0.50
FGFR1
N	928	68	P = 4.172^ns	2833	121	46	1
%	24.38	34.00		74.41	60.50	1.21	0.50
MYC
N	918	62	P = 4.812^ns	2849	135	33	2
%	24.00	31		75.00	67.50	0.01	1.00
CDKN2A
N	183	6	P = 17.702 ^ns	3649	194	68	0
%	4.69	3.00		93.56	97.00	1.74	0.00
YES1
N	1381	62	P = 2.171^ns	2407	136	12	2
%	36.34	31.00		63.34	68.00	0.32	1.00
NCOA3
N	45	8	P = 3.627^ns	2366	130	8	0
%	1.86	5.80		97.81	94.20	0.33	0.00
CEN3
N	683	54	P = 0.470^ns	2510	145	7	1
%	21.0	27.0		78.44	72.5	0.56	0.50
CEP7
N	1637	56	P = 0.00+*	1509	1143	54	1
%	51.16	28.0		47.16	71.50	1.68	0.50
CEP9
N	1400	46	P = 0.00+*	1468	154	332	0
%	43.75	23.0		45.87	77.0	10.38	0.00

CM, chagasic megaesophagus; NM, normal mucosa; SD, standard-deviation; Statistical Analysis: t-Student; *, P < 0.05; ^ns, P > 0.05; ^{a, b}, P = 0.008.

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