Table 2.

Changes in quantitative parameters from before radiotherapy to the peak time

	Peak time	Paired number of subjects	Median value		p value
			Before radiotherapy*	Peak time**
Skin temperature	Week 4	43	1.00	1.04	< 0.01
Erythema index	Week 7	38	1.06	2.17	< 0.01
Capacitance	Week 7	39	1.04	0.66	< 0.01
TEWL	Week 7	39	0.98	0.80	< 0.01
Melanin index	Week 1	41	0.88	0.76	< 0.01
Melanin index	Week 7	38	0.91	1.44	< 0.01

*Objective measure in operated breast before radiotherapy/objective measure in control breast before radiotherapy

**Objective measure in irradiated breast at peak period/objective measure in control breast at peak period