# Clustering Approach 1 : CN_CNMF
Index	Clinical feature name	Test type	P value	Comment
1	Time to Death	logrank test	0.190259472463738	Range of duration = 0.07 to 210.97, nDeath = 219, nCensor = 301
2	YEARS_TO_BIRTH	Kruskal-Wallis (anova)	0.0181678853531629	Range of values = 19 to 89, Mean = 60.8887, StdDev = 11.9292, nMissing = 1
3	PATHOLOGIC_STAGE	Fisher's exact test	0.18539814601854	nTypes = 6 (STAGE I/STAGE II/STAGE III/STAGE IVA/STAGE IVB/STAGE IVC), nPatients = 27/76/82/252/12/1, nMissing = 72
4	PATHOLOGY_T_STAGE	Fisher's exact test	0.213267867321327	nTypes = 4 (T0+T1/T2/T3/T4), nPatients = 50/137/100/173, nMissing = 62
5	PATHOLOGY_N_STAGE	Fisher's exact test	0.0590394096059039	nTypes = 4 (N0/N1/N2/N3), nPatients = 179/68/168/8, nMissing = 99
6	PATHOLOGY_M_STAGE	Fisher's exact test	0.336746632533675	nTypes = 2 (0/1), nPatients = 190/1, nMissing = 331
7	GENDER	Fisher's exact test	0.030369696303037	nTypes = 2 (FEMALE/MALE), nPatients = 140/382
8	RADIATION_THERAPY	Fisher's exact test	0.461075389246108	nTypes = 2 (NO/YES), nPatients = 162/301, nMissing = 59
9	HISTOLOGICAL_TYPE	Fisher's exact test	0.0827791722082779	nTypes = 3 (HEAD & NECK SQUAMOUS CELL CARCINOMA/HEAD & NECK SQUAMOUS CELL CARCINOMA BASALOID TYPE/HEAD & NECK SQUAMOUS CELL CARCINOMA, SPINDLE CELL VARIANT), nPatients = 511/10/1
10	NUMBER_PACK_YEARS_SMOKED	Kruskal-Wallis (anova)	0.0617025162236772	Range of values = 0.01685 to 300, Mean = 45.8839, StdDev = 35.3413, nMissing = 229
11	YEAR_OF_TOBACCO_SMOKING_ONSET	Kruskal-Wallis (anova)	0.00311426756263536	Range of values = 1936 to 2001, Mean = 1967.38, StdDev = 12.8047, nMissing = 245
12	NUMBER_OF_LYMPH_NODES	Kruskal-Wallis (anova)	0.116749057950228	Range of values = 0 to 44, Mean = 2.19853, StdDev = 4.29414, nMissing = 114
13	RACE	Fisher's exact test	0.149118508814912	nTypes = 4 (AMERICAN INDIAN OR ALASKA NATIVE/ASIAN/BLACK OR AFRICAN AMERICAN/WHITE), nPatients = 2/11/48/446, nMissing = 15
14	ETHNICITY	Fisher's exact test	0.140458595414046	nTypes = 2 (HISPANIC OR LATINO/NOT HISPANIC OR LATINO), nPatients = 26/459, nMissing = 37
