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Table 5 The 10 designs generating the lowest p values for the reduced lung

From: Optimisation of quantitative lung SPECT applied to mild COPD: a software phantom simulation study

Order of rank

Kernel edge length (cm)

No of iterations (updates)

Cutoff frequency (cm −1 )

p value

1

2.3

6 (96)

0.7

2.8 × 10−14

2

1.7

8 (128)

0.7

3.1 × 10−14

3

2.3

8 (128)

0.6

3.1 × 10−14

4

3.0

8 (128)

0.7

3.1 × 10−14

5

3.0

6 (96)

0.7

3.3 × 10−14

6

3.0

6 (96)

Unfiltered

3.3 × 10−14

7

3.0

4 (64)

0.7

3.5 × 10−14

8

1.7

10 (160)

0.7

3.8 × 10−14

9

2.3

8 (128)

0.7

4.4 × 10−14

10

1.7

6 (96)

0.7

4.7 × 10−14

  1. All designs use LEHR collimator and 125 MBq.