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. 2020 Aug 5;15(8):e0236580. doi: 10.1371/journal.pone.0236580

Table 2. Statistics table of cancer type by mutation in the 833 samples.

Cancer type	Mutation
Cancer type	ALK	BRAF	EGFR	KRAS	PIK3CA	HER2	OTHERS	Total
AD^a
Frequency	1	9	57	198	5	0	287	557
Expected	0.67	6.02	38.78	138.41	6.69	0	366.43
Chi-square	0.16	1.48	8.56	25.66	0.43	0	17.22
SQ^b
Frequency	0	0	1	4	5	0	188	198
Expected	0.24	2.14	13.79	49.2	2.38	0	130.26
Chi-square	0.24	2.14	11.86	41.53	2.88	0	25.59
OTHERS
Frequency	0	0	0	5	0	0	73	78
Expected	0.094	0.84	5.43	19.38	0.94	0	51.31
Chi-square	0.094	0.84	5.43	10.67	0.94	0	9.17
Total	1	9	58	207	10	0	548	833

There is strong evidence of an association.

^aAdenocarcinoma.

^bSquamous cell carcinoma.