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Table 5 Summary of the volumetric percentage underestimation and overestimation for each IGTV based on IGTVMIP, IGTV2Phases, and IGTVMIP-Modified relative to the reference IGTVAllPhases.

From: Determination of patient-specific internal gross tumor volumes for lung cancer using four-dimensional computed tomography

Underestimation (%)

IGTVMIP

IGTV2Phases

IGTVMIP-Modified

Stage I patients

    
 

Avg. ± SD

17.33 ± 6.56

19.32 ± 5.93

5.36 ± 1.71

 

Range

6.32–30.86

6.03–31.76

2.30–8.53

Stage III patients

    
 

Avg. ± SD

12.11 ± 6.23

8.95 ± 5.15

4.21 ± 1.66

 

Range

4.04–23.85

4.01–22.25

1.20–6.66

Overestimation (%)

IGTVMIP

IGTV2Phases

IGTVMIP-Modified

Stage I patients

    
 

Avg. ± SD

3.23 ± 2.35

0

4.80 ± 2.39

 

Range

0.34–8.64

0

1.30–10.07

Stage III patients

    
 

Avg. ± SD

2.36 ± 1.79

0

3.21 ± 2.22

 

Range

1.06–6.92

0

1.43–8.09

  1. Average ± standard deviation and range are reported for stage I and stage III tumors.