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Table 2 Comparison of the experimental arm and the control arm with respect to radiation dermatitis

From: Impact of a mobile application (reminder app) on acute toxicity during radiotherapy of head-and-neck cancer – results of a randomized phase III trial (RAREST-02)

 

Experimental arm (with reminder app) N patients (%)

Control arm (without reminder app) N patients (%)

p-value

Dermatitis (worst grade) until 60 Gy

  

0.86a

 Grade 1

7 (28)

5 (18)

 Grade 2

13 (52)

20 (71)

 Grade 3

5 (20)

3 (11)

Dermatitis grade ≥ 2 until 60 Gy

18 (72)

23 (82)

0.38b

Dermatitis grade ≥ 3 until 60 Gy

5 (20)

3 (11)

0.45c

Dermatitis (worst grade) until EOT

  

0.83a

 Grade 1

7 (28)

4 (14)

 Grade 2

12 (48)

19 (68)

 Grade 3

6 (24)

5 (18)

Dermatitis grade ≥ 2 until EOT

18 (72)

24 (86)

0.22b

Dermatitis grade ≥ 3 until EOT

6 (24)

5 (18)

0.58b

  1. aExact Wilcoxon Mann–Whitney two-sample test
  2. bChi-square test
  3. cFisher’s exact test