# Clustering Approach 1 : CN_CNMF
Index	Clinical feature name	Test type	P value	Comment
1	Time to Death	logrank test	0.000431777334662042	Range of duration = 0.07 to 210.94, nDeath = 121, nCensor = 196
2	AGE	ANOVA	0.106346528596729	Range of values = 19 to 90, Mean = 61.1313, StdDev = 12.0579, nMissing = 1
3	GENDER	Chi-square test	0.405200116296458	nTypes = 2 (FEMALE/MALE), nPatients = 90/231
4	PATHOLOGY.T	Chi-square test	0.0177174826194343	nTypes = 4 (T1/T2/T3/T4), nPatients = 28/81/65/104, nMissing = 43
5	PATHOLOGY.N	Chi-square test	0.0080514584540509	nTypes = 4 (N0/N1/N2/N3), nPatients = 107/36/99/5, nMissing = 74
6	PATHOLOGICSPREAD(M)	Chi-square test	0.627766384766896	nTypes = 2 (M0/MX), nPatients = 59/6, nMissing = 256
7	TUMOR.STAGE	Chi-square test	0.0286102579873074	nTypes = 4 (I/II/III/IV), nPatients = 20/51/45/157, nMissing = 48
8	RADIATIONS.RADIATION.REGIMENINDICATION	Chi-square test	0.319561740929226	nTypes = 2 (NO/YES), nPatients = 76/245
9	NUMBERPACKYEARSSMOKED	ANOVA	0.000531151414805452	Range of values = 0.01685 to 300, Mean = 50.7947, StdDev = 41.123, nMissing = 146
10	TOBACCOSMOKINGHISTORYINDICATOR	Chi-square test	0.000469147783330679	nTypes = 4 (CURRENT REFORMED SMOKER FOR < OR = 15 YEARS/CURRENT REFORMED SMOKER FOR > 15 YEARS/CURRENT SMOKER/LIFELONG NON-SMOKER), nPatients = 84/57/103/66, nMissing = 11
11	YEAROFTOBACCOSMOKINGONSET	ANOVA	0.114258452155132	Range of values = 1928 to 2001, Mean = 1965.07, StdDev = 12.3828, nMissing = 139
12	NUMBER.OF.LYMPH.NODES	ANOVA	0.15466371447238	Range of values = 0 to 44, Mean = 2.60331, StdDev = 5.21644, nMissing = 79