# Clustering Approach 2 : APOBEC_ENRICH
Index	Clinical feature name	Test type	P value	Comment
1	Time to Death	logrank test	0.275912941238121	Range of duration = 0.07 to 210.97, nDeath = 201, nCensor = 303
2	YEARS_TO_BIRTH	Kruskal-Wallis (anova)	0.000486656978275226	Range of values = 19 to 89, Mean = 61.004, StdDev = 12.0308
3	NEOPLASM_DISEASESTAGE	Fisher's exact test	0.213677863221368	nTypes = 5 (STAGE I/STAGE II/STAGE III/STAGE IVA/STAGE IVB), nPatients = 25/76/77/248/11, nMissing = 69
4	PATHOLOGY_T_STAGE	Fisher's exact test	0.277757222427776	nTypes = 4 (T0+T1/T2/T3/T4), nPatients = 48/131/98/168, nMissing = 61
5	PATHOLOGY_N_STAGE	Fisher's exact test	0.470445295547045	nTypes = 4 (N0/N1/N2/N3), nPatients = 174/65/161/7, nMissing = 99
6	GENDER	Fisher's exact test	0.001189988100119	nTypes = 2 (FEMALE/MALE), nPatients = 139/367
7	HISTOLOGICAL_TYPE	Fisher's exact test	0.696063039369606	nTypes = 3 (HEAD AND NECK SQUAMOUS CELL CARCINOMA/HEAD AND NECK SQUAMOUS CELL CARCINOMA  SPINDLE CELL VARIANT/HEAD AND NECK SQUAMOUS CELL CARCINOMA BASALOID TYPE), nPatients = 498/1/7
8	RADIATIONS_RADIATION_REGIMENINDICATION	Fisher's exact test	0.758642413575864	nTypes = 2 (NO/YES), nPatients = 83/423
9	NUMBER_PACK_YEARS_SMOKED	Kruskal-Wallis (anova)	0.107363114637759	Range of values = 0.01685 to 300, Mean = 45.5389, StdDev = 35.5893, nMissing = 224
10	YEAR_OF_TOBACCO_SMOKING_ONSET	Kruskal-Wallis (anova)	0.215648457041508	Range of values = 1936 to 2001, Mean = 1966.82, StdDev = 12.4748, nMissing = 234
11	NUMBER_OF_LYMPH_NODES	Kruskal-Wallis (anova)	0.113650904428983	Range of values = 0 to 44, Mean = 2.18687, StdDev = 4.34062, nMissing = 110
12	RACE	Fisher's exact test	0.484445155548445	nTypes = 4 (AMERICAN INDIAN OR ALASKA NATIVE/ASIAN/BLACK OR AFRICAN AMERICAN/WHITE), nPatients = 2/11/36/441, nMissing = 16
13	ETHNICITY	Fisher's exact test	0.495635043649564	nTypes = 2 (HISPANIC OR LATINO/NOT HISPANIC OR LATINO), nPatients = 25/445, nMissing = 36
