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Table 2 Respiration data recorded with the Respisens system during treatment

From: Reproducibility of deep inspiration breath hold for prone left-sided whole breast irradiation

Patient A SB (mm) A DIBH (mm) I DIBH (mm) N t DIBH t T
  Mean Mean Ia SD Mean Ia SD   (seconds) (seconds)
1 3.0 12.0 0.9 1.5 0.7 6 16 ± 2 385 ± 43
2 3.6 8.4 0.8 1.4 0.5 4 15 ± 1 235 ± 33
3 1.9 15.8 0.9 1.0 0.3 5 16 ± 1 292 ± 21
4 0.9 6.4 0.6 0.4 0.2 7 18 ± 2 445 ± 34
5 1.6 12.2 1.4 0.9 0.4 4 16 ± 1 239 ± 23
6 2.9 24.4 1.3 1.3 0.8 4 18 ± 2 291 ± 89
7 1.7 10.8 1.0 1.0 0.4 4 17 ± 2 242 ± 66
8 2.1 5.7 0.8 0.4 0.1 4 16 ± 2 238 ± 15
9 6.8 12.4 1.1 1.1 0.4 4 17 ± 1 231 ± 12
10 3.7 10.7 1.0 1.1 0.3 5 16 ± 1 308 ± 37
11 2.2 13.4 0.9 0.9 0.2 4 17 ± 0 234 ± 29
12 3.9 13.0 0.8 2.0 0.3 4 16 ± 1 247 ± 20
13 2.7 8.8 1.0 1.3 0.5 5 15 ± 1 288 ± 49
14 3.8 11.1 0.8 0.6 0.3 5 18 ± 2 407 ± 202
15 2.4 10.2 1.2 0.9 0.3 5 14 ± 0 345 ± 118
16 1.4 7.4 0.6 0.3 0.1 6 16 ± 2 305 ± 30
17 3.4 15.3 1.6 2.9 0.9 5 16 ± 1 314 ± 96
18 4.0 21.6 1.9 1.6 0.7 5 15 ± 1 438 ± 85
19 2.6 9.6 0.8 0.6 0.5 4 15 ± 1 231 ± 43
20 2.4 10.7 1.6 0.1 0.3 4 18 ± 1 256 ± 19
21 2.6 6.2 0.5 0.4 0.2 5 14 ± 1 338 ± 126
Population 2.8 ± 1.3 11.7 ± 4.7 1.0 ± 0.4 1.0 ± 0.6 0.4 ± 0.2 5 ± 1 16 ± 1 300 ± 69
  1. Individual and population averages for mean and intra-fraction standard deviation (Ia SD) for shallow breathing (SB) amplitude (ASB), deep inspiration breath hold (DIBH) amplitude (ADIBH) and instability (IDIBH). The number of DIBHs required for treatment is indicated by N, mean and standard deviations are displayed for DIBH (tDIBH) and treatment time (tT).