# Clustering Approach 1 : CN_CNMF
Index	Clinical feature name	Test type	P value	Comment
1	Time to Death	logrank test	0.35295357409212	Range of duration = 0.99 to 153.73, nDeath = 9, nCensor = 54
2	YEARS_TO_BIRTH	Wilcoxon-test	0.891210516963152	Range of values = 17 to 86, Mean = 51.5938, StdDev = 14.3579
3	PATHOLOGIC_STAGE	Fisher's exact test	0.712132878671213	nTypes = 4 (STAGE I/STAGE II/STAGE III/STAGE IV), nPatients = 20/25/13/6
4	PATHOLOGY_T_STAGE	Fisher's exact test	0.948710512894871	nTypes = 3 (T1/T2/T3+T4), nPatients = 20/25/19
5	PATHOLOGY_N_STAGE	Fisher's exact test	1	nTypes = 2 (N0/N1+N2), nPatients = 40/5, nMissing = 19
6	PATHOLOGY_M_STAGE	Fisher's exact test	0.511111111111111	nTypes = 2 (0/1), nPatients = 34/2, nMissing = 28
7	GENDER	Fisher's exact test	0.604914997432356	nTypes = 2 (FEMALE/MALE), nPatients = 26/38
8	KARNOFSKY_PERFORMANCE_SCORE	Fisher's exact test	0.490909090909091	nTypes = 2 (100/90), nPatients = 9/2, nMissing = 53
9	NUMBER_PACK_YEARS_SMOKED	Wilcoxon-test	0.0582074760942347	Range of values = 1 to 75, Mean = 25.0909, StdDev = 21.9292, nMissing = 53
10	YEAR_OF_TOBACCO_SMOKING_ONSET	Wilcoxon-test	NA	Range of values = 1949 to 1997, Mean = 1973.75, StdDev = 15.4249, nMissing = 56
11	RACE	Fisher's exact test	0.492215077849222	nTypes = 3 (ASIAN/BLACK OR AFRICAN AMERICAN/WHITE), nPatients = 2/3/57, nMissing = 2
12	ETHNICITY	Fisher's exact test	1	nTypes = 2 (HISPANIC OR LATINO/NOT HISPANIC OR LATINO), nPatients = 4/30, nMissing = 30
