# Clustering Approach 61 : 13q loss mutation analysis
Index	Clinical feature name	Test type	P value	Comment
1	Time to Death	logrank test	NA	Range of duration = 0.16 to 121.08, nDeath = 11, nCensor = 114
2	AGE	t-test	0.979895749524044	Range of values = 31 to 90, Mean = 64.7099, StdDev = 11.7704
3	GENDER	Fisher's exact test	1	nTypes = 2 (FEMALE/MALE), nPatients = 74/88
4	HISTOLOGICAL.TYPE	Fisher's exact test	0.356610018087597	nTypes = 2 (RECTAL ADENOCARCINOMA/RECTAL MUCINOUS ADENOCARCINOMA), nPatients = 143/13, nMissing = 6
5	PATHOLOGY.T	Chi-square test	0.553621955008227	nTypes = 4 (T1/T2/T3/T4), nPatients = 9/29/109/14, nMissing = 1
6	PATHOLOGY.N	Chi-square test	0.279493420907457	nTypes = 3 (N0/N1/N2), nPatients = 83/45/32, nMissing = 2
7	PATHOLOGICSPREAD(M)	Chi-square test	0.00133650082238256	nTypes = 4 (M0/M1/M1A/MX), nPatients = 123/22/2/13, nMissing = 2
8	TUMOR.STAGE	Chi-square test	0.471448006521489	nTypes = 4 (I/II/III/IV), nPatients = 30/50/50/25, nMissing = 7
9	RADIATIONS.RADIATION.REGIMENINDICATION	Fisher's exact test	1	nTypes = 2 (NO/YES), nPatients = 6/156