# Clustering Approach 20 : 21q gain mutation analysis
Index	Clinical feature name	Test type	P value	Comment
1	Time to Death	logrank test	0.533486703930877	Range of duration = 0.03 to 211.17, nDeath = 51, nCensor = 155
2	AGE	t-test	0.993776962122864	Range of values = 14 to 75, Mean = 43.1014, StdDev = 13.4245
3	GENDER	Fisher's exact test	1	nTypes = 2 (FEMALE/MALE), nPatients = 89/118
4	KARNOFSKY.PERFORMANCE.SCORE	t-test	NA	Range of values = 50 to 100, Mean = 88.3871, StdDev = 10.4559, nMissing = 114
5	HISTOLOGICAL.TYPE	Chi-square test	0.135193033899372	nTypes = 3 (ASTROCYTOMA/OLIGOASTROCYTOMA/OLIGODENDROGLIOMA), nPatients = 63/54/89, nMissing = 1
6	RADIATIONS.RADIATION.REGIMENINDICATION	Fisher's exact test	1	nTypes = 2 (NO/YES), nPatients = 104/103