# Clustering Approach 2 : APOBEC_ENRICH
Index	Clinical feature name	Test type	P value	Comment
1	Time to Death	logrank test	0.244818254895905	Range of duration = 0.07 to 210.97, nDeath = 220, nCensor = 289
2	YEARS_TO_BIRTH	Kruskal-Wallis (anova)	0.00320379148736449	Range of values = 19 to 89, Mean = 61.0431, StdDev = 11.9555, nMissing = 1
3	PATHOLOGIC_STAGE	Fisher's exact test	0.479545204547955	nTypes = 6 (STAGE I/STAGE II/STAGE III/STAGE IVA/STAGE IVB/STAGE IVC), nPatients = 25/75/80/253/11/1, nMissing = 66
4	PATHOLOGY_T_STAGE	Fisher's exact test	0.624823751762482	nTypes = 4 (T0+T1/T2/T3/T4), nPatients = 47/137/99/172, nMissing = 56
5	PATHOLOGY_N_STAGE	Fisher's exact test	0.464205357946421	nTypes = 4 (N0/N1/N2/N3), nPatients = 175/67/168/7, nMissing = 94
6	PATHOLOGY_M_STAGE	Fisher's exact test	1	nTypes = 2 (0/1), nPatients = 191/1, nMissing = 319
7	GENDER	Fisher's exact test	0.044049559504405	nTypes = 2 (FEMALE/MALE), nPatients = 138/373
8	RADIATION_THERAPY	Fisher's exact test	0.34619653803462	nTypes = 2 (NO/YES), nPatients = 157/293, nMissing = 61
9	HISTOLOGICAL_TYPE	Fisher's exact test	0.899471005289947	nTypes = 3 (HEAD & NECK SQUAMOUS CELL CARCINOMA/HEAD & NECK SQUAMOUS CELL CARCINOMA BASALOID TYPE/HEAD & NECK SQUAMOUS CELL CARCINOMA, SPINDLE CELL VARIANT), nPatients = 500/10/1
10	NUMBER_PACK_YEARS_SMOKED	Kruskal-Wallis (anova)	0.21383044680737	Range of values = 0.01685 to 300, Mean = 45.691, StdDev = 35.0557, nMissing = 221
11	YEAR_OF_TOBACCO_SMOKING_ONSET	Kruskal-Wallis (anova)	0.0321089468478598	Range of values = 1936 to 2001, Mean = 1967.34, StdDev = 12.8249, nMissing = 235
12	NUMBER_OF_LYMPH_NODES	Kruskal-Wallis (anova)	0.0883769520271708	Range of values = 0 to 42, Mean = 2.0995, StdDev = 3.77418, nMissing = 109
13	RACE	Fisher's exact test	0.679743202567974	nTypes = 4 (AMERICAN INDIAN OR ALASKA NATIVE/ASIAN/BLACK OR AFRICAN AMERICAN/WHITE), nPatients = 2/10/47/437, nMissing = 15
14	ETHNICITY	Fisher's exact test	0.664693353066469	nTypes = 2 (HISPANIC OR LATINO/NOT HISPANIC OR LATINO), nPatients = 25/449, nMissing = 37
