Comprehensive Evaluation of Personal, Clinical, and Radiation Dosimetric Parameters for Acute Skin Reaction during Whole Breast Radiotherapy

Table 3

Chi-square tests for skin toxicity (linear-to-linear correlation).

		Axilla ()							Inferior fold ()
		1	2	3	4	5	6	( value); value	1	2	3	4	5	6	( value); value
Age	50≤	3	19	21	13	33	3	(2.908)	15	21	9	14	29	4	(6.355)
	50>	0	11	8	9	5	0	0.088	9	11	3	6	4	0	0.012
Laterality	Right	2	18	12	11	23	1	(0.000)	15	10	10	12	19	1	(0.143)
	Left	1	12	17	11	15	2	0.994	9	22	2	8	14	3	0.705
T-stage	is, 1	3	20	23	17	26	2	(0.179)	14	25	12	15	23	2	(0.013)
	2	0	10	6	5	12	1	0.673	10	7	0	5	10	2	0.910
N-stage	0	3	24	25	20	31	3	(0.024)	19	29	11	16	28	3	(0.039)
	1	0	6	4	2	7	0	0.877	5	3	1	4	5	1	0.843
Axillary dissection	No, SLND	2	22	20	16	27	2	(0.007)	17	24	10	12	22	4	(0.122)
	ALND	1	8	9	6	11	1	0.932	7	8	2	8	11	0	0.726
Chemotherapy	No	3	12	9	11	12	0	(1.961)	12	12	4	7	11	1	(1.564)
	Yes	0	18	20	11	26	3	0.161	12	20	8	13	22	3	0.211
Hormonal therapy	No	0	9	6	4	10	3	(0.872)	6	6	4	5	8	3	(0.908)
	Yes	3	21	23	18	28	0	0.350	18	26	8	15	25	1	0.341

SLND: sentinel lymph node dissection; ^‡ALND: axillary lymph node dissection; parameter with ; parameter with .