# Clustering Approach 25 : 13q gain mutation analysis
Index	Clinical feature name	Test type	P value	Comment
1	Time to Death	logrank test	0.0285851010207098	Range of duration = 0.16 to 121.08, nDeath = 11, nCensor = 114
2	AGE	t-test	0.488986884617002	Range of values = 31 to 90, Mean = 64.7099, StdDev = 11.7704
3	GENDER	Fisher's exact test	0.871429920269525	nTypes = 2 (FEMALE/MALE), nPatients = 74/88
4	HISTOLOGICAL.TYPE	Fisher's exact test	0.000376760470517865	nTypes = 2 (RECTAL ADENOCARCINOMA/RECTAL MUCINOUS ADENOCARCINOMA), nPatients = 143/13, nMissing = 6
5	PATHOLOGY.T	Chi-square test	0.253404452966166	nTypes = 4 (T1/T2/T3/T4), nPatients = 9/29/109/14, nMissing = 1
6	PATHOLOGY.N	Chi-square test	0.0343039619706349	nTypes = 3 (N0/N1/N2), nPatients = 83/45/32, nMissing = 2
7	PATHOLOGICSPREAD(M)	Chi-square test	0.185221703247364	nTypes = 4 (M0/M1/M1A/MX), nPatients = 123/22/2/13, nMissing = 2
8	TUMOR.STAGE	Chi-square test	0.185818709534231	nTypes = 4 (I/II/III/IV), nPatients = 30/50/50/25, nMissing = 7
9	RADIATIONS.RADIATION.REGIMENINDICATION	Fisher's exact test	0.670969222041986	nTypes = 2 (NO/YES), nPatients = 6/156