# Clustering Approach 37 : 20q gain mutation analysis
Index	Clinical feature name	Test type	P value	Comment
1	Time to Death	logrank test	0.642376185187613	Range of duration = 0.03 to 173.79, nDeath = 120, nCensor = 188
2	AGE	t-test	0.318677364558857	Range of values = 39 to 85, Mean = 67.4795, StdDev = 8.62237, nMissing = 8
3	GENDER	Fisher's exact test	0.187752605314409	nTypes = 2 (FEMALE/MALE), nPatients = 83/242
4	KARNOFSKY.PERFORMANCE.SCORE	t-test	0.769851926916054	Range of values = 0 to 100, Mean = 28.5185, StdDev = 39.6878, nMissing = 271
5	HISTOLOGICAL.TYPE	Chi-square test	0.0175309372412732	nTypes = 5 (LUNG BASALOID SQUAMOUS CELL CARCINOMA/LUNG PAPILLARY SQUAMOUS CELL CARCINOMA/LUNG PAPILLARY SQUAMOUS CELL CARICNOMA/LUNG SMALL CELL SQUAMOUS CELL CARCINOMA/LUNG SQUAMOUS CELL CARCINOMA- NOT OTHERWISE SPECIFIED (NOS)), nPatients = 7/1/1/1/315
6	PATHOLOGY.T	Chi-square test	0.991783388017975	nTypes = 4 (T1/T2/T3/T4), nPatients = 78/196/33/18
7	PATHOLOGY.N	Chi-square test	0.465798903284822	nTypes = 4 (N0/N1/N2/N3), nPatients = 201/91/26/5, nMissing = 2
8	PATHOLOGICSPREAD(M)	Chi-square test	0.0652167867828889	nTypes = 3 (M0/M1/MX), nPatients = 285/4/30, nMissing = 6
9	TUMOR.STAGE	Chi-square test	0.109734548155373	nTypes = 4 (I/II/III/IV), nPatients = 165/90/62/4, nMissing = 4
10	RADIATIONS.RADIATION.REGIMENINDICATION	Fisher's exact test	0.149944217025974	nTypes = 2 (NO/YES), nPatients = 11/314
11	NUMBERPACKYEARSSMOKED	t-test	0.469562532783052	Range of values = 2 to 240, Mean = 52.4921, StdDev = 32.644, nMissing = 51
12	STOPPEDSMOKINGYEAR	t-test	0.429801947934217	Range of values = 1959 to 2011, Mean = 1997.41, StdDev = 11.523, nMissing = 111
13	TOBACCOSMOKINGHISTORYINDICATOR	Chi-square test	0.83922677148711	nTypes = 4 (CURRENT REFORMED SMOKER FOR < OR = 15 YEARS/CURRENT REFORMED SMOKER FOR > 15 YEARS/CURRENT SMOKER/LIFELONG NON-SMOKER), nPatients = 158/74/72/14, nMissing = 7
14	YEAROFTOBACCOSMOKINGONSET	t-test	0.657934493593825	Range of values = 1933 to 1996, Mean = 1958.66, StdDev = 11.643, nMissing = 108