# Clustering Approach 3 : 4q gain mutation analysis
Index	Clinical feature name	Test type	P value	Comment
1	Time to Death	logrank test	0.00467773498104729	Range of duration = 0.03 to 66.15, nDeath = 1, nCensor = 283
2	AGE	t-test	0.119234269394998	Range of values = 16 to 89, Mean = 46.3908, StdDev = 15.5078
3	GENDER	Fisher's exact test	1	nTypes = 2 (FEMALE/MALE), nPatients = 211/73
4	HISTOLOGICAL.TYPE	Chi-square test	0.438153074801282	nTypes = 4 (OTHER/THYROID PAPILLARY CARCINOMA - CLASSICAL/USUAL/THYROID PAPILLARY CARCINOMA - FOLLICULAR (>= 99% FOLLICULAR PATTERNED)/THYROID PAPILLARY CARCINOMA - TALL CELL (>= 50% TALL CELL FEATURES)), nPatients = 18/167/69/30
5	RADIATIONS.RADIATION.REGIMENINDICATION	Fisher's exact test	0.183977946932318	nTypes = 2 (NO/YES), nPatients = 14/270
6	RADIATIONEXPOSURE	Fisher's exact test	1	nTypes = 2 (NO/YES), nPatients = 237/11, nMissing = 36
7	DISTANT.METASTASIS	Chi-square test	0.187253504476449	nTypes = 3 (M0/M1/MX), nPatients = 124/4/155, nMissing = 1
8	EXTRATHYROIDAL.EXTENSION	Chi-square test	0.961637906888331	nTypes = 3 (MINIMAL (T3)/MODERATE/ADVANCED (T4A)/NONE), nPatients = 64/5/201, nMissing = 14
9	LYMPH.NODE.METASTASIS	Chi-square test	0.360300250471738	nTypes = 5 (N0/N1/N1A/N1B/NX), nPatients = 137/14/63/40/30
10	COMPLETENESS.OF.RESECTION	Chi-square test	0.575900225750711	nTypes = 4 (R0/R1/R2/RX), nPatients = 222/20/1/20, nMissing = 21
11	NUMBER.OF.LYMPH.NODES	t-test	3.0232999178943e-14	Range of values = 0 to 35, Mean = 2.82667, StdDev = 5.22624, nMissing = 59
12	TUMOR.STAGECODE	t-test	NA	Range of values = Inf to -Inf, Mean = NaN, StdDev = NA, nMissing = 284
13	NEOPLASM.DISEASESTAGE	Chi-square test	0.515137299694036	nTypes = 5 (STAGE I/STAGE II/STAGE III/STAGE IVA/STAGE IVC), nPatients = 161/32/62/25/3, nMissing = 1
14	MULTIFOCALITY	Fisher's exact test	0.622257742257742	nTypes = 2 (MULTIFOCAL/UNIFOCAL), nPatients = 138/137, nMissing = 9
15	TUMOR.SIZE	t-test	0.479469391286114	Range of values = 0.6 to 9.6, Mean = 2.77238, StdDev = 1.49839, nMissing = 74
