# Clustering Approach 37 : 20q gain mutation analysis
Index	Clinical feature name	Test type	P value	Comment
1	Time to Death	logrank test	0.632446951185685	Range of duration = 0.07 to 210.94, nDeath = 121, nCensor = 194
2	AGE	t-test	0.0186744687961961	Range of values = 19 to 90, Mean = 61.1572, StdDev = 12.0849, nMissing = 1
3	GENDER	Fisher's exact test	0.130155933448404	nTypes = 2 (FEMALE/MALE), nPatients = 90/229
4	PATHOLOGY.T	Chi-square test	0.361579121187794	nTypes = 4 (T1/T2/T3/T4), nPatients = 28/79/65/104, nMissing = 43
5	PATHOLOGY.N	Chi-square test	0.539823014446736	nTypes = 4 (N0/N1/N2/N3), nPatients = 105/36/99/5, nMissing = 74
6	PATHOLOGICSPREAD(M)	Fisher's exact test	0.577649128630569	nTypes = 2 (M0/MX), nPatients = 57/6, nMissing = 256
7	TUMOR.STAGE	Chi-square test	0.489034952364807	nTypes = 4 (I/II/III/IV), nPatients = 20/49/45/157, nMissing = 48
8	RADIATIONS.RADIATION.REGIMENINDICATION	Fisher's exact test	0.00376652420040427	nTypes = 2 (NO/YES), nPatients = 76/243
9	NUMBERPACKYEARSSMOKED	t-test	0.356733171000293	Range of values = 0.01685 to 300, Mean = 50.8848, StdDev = 41.3528, nMissing = 146
10	STOPPEDSMOKINGYEAR	t-test	0.118869076362198	Range of values = 1955 to 2011, Mean = 1994.4, StdDev = 13.8769, nMissing = 196
11	TOBACCOSMOKINGHISTORYINDICATOR	Chi-square test	0.213704455937878	nTypes = 4 (CURRENT REFORMED SMOKER FOR < OR = 15 YEARS/CURRENT REFORMED SMOKER FOR > 15 YEARS/CURRENT SMOKER/LIFELONG NON-SMOKER), nPatients = 83/57/102/66, nMissing = 11
12	YEAROFTOBACCOSMOKINGONSET	t-test	0.62053396970167	Range of values = 1928 to 2001, Mean = 1964.97, StdDev = 12.4042, nMissing = 139