Table 3. Relation of renal cell carcinoma stage with treatment.

		Stage				Total	p value
		Stage 1	Stage 2	Stage 3	Stage 4
Adjuvant radiotherapy	Yes	0	7	16	21	44	0.36
	No	6	20	39	80	145
Systemic therapy	Yes	0	1	5	16	22	0.01a
	No	6	26	50	85	167
Surgical procedure types	Radical nephrectomy	5	27	45	48	125	0.001a
	Partial nephrectomy	1	0	0	0	1
	Biopsy	0	0	9	42	51
	No surgery	0	0	1	11	12

^aCorrelation is significant at the 0.05 level