# Clustering Approach 72 : 18q loss mutation analysis
Index	Clinical feature name	Test type	P value	Comment
1	Time to Death	logrank test	0.421683024403125	Range of duration = 0.07 to 135.52, nDeath = 60, nCensor = 384
2	AGE	t-test	0.319727275000865	Range of values = 31 to 90, Mean = 66.5976, StdDev = 12.6995, nMissing = 1
3	PRIMARY.SITE.OF.DISEASE	Fisher's exact test	1.8943287088884e-07	nTypes = 2 (COLON/RECTUM), nPatients = 412/159, nMissing = 4
4	GENDER	Fisher's exact test	0.7314781105607	nTypes = 2 (FEMALE/MALE), nPatients = 267/308
5	HISTOLOGICAL.TYPE	Chi-square test	1.57586699887262e-13	nTypes = 4 (COLON ADENOCARCINOMA/COLON MUCINOUS ADENOCARCINOMA/RECTAL ADENOCARCINOMA/RECTAL MUCINOUS ADENOCARCINOMA), nPatients = 356/54/143/13, nMissing = 9
6	PATHOLOGY.T	Chi-square test	0.223364711733725	nTypes = 4 (T0+T1/T2/T3/T4), nPatients = 20/101/392/59, nMissing = 3
7	PATHOLOGY.N	Chi-square test	0.000369703583942182	nTypes = 3 (N0/N1/N2), nPatients = 328/140/103, nMissing = 4
8	PATHOLOGICSPREAD(M)	Chi-square test	0.00279532835983144	nTypes = 5 (M0/M1/M1A/M1B/MX), nPatients = 435/71/9/1/49, nMissing = 10
9	TUMOR.STAGE	Chi-square test	0.000283747867434075	nTypes = 4 (I/II/III/IV), nPatients = 97/207/166/81, nMissing = 24
10	RADIATIONS.RADIATION.REGIMENINDICATION	Fisher's exact test	0.493527874383389	nTypes = 2 (NO/YES), nPatients = 9/566
