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Table 2 Comparison of subjective scoring of time-enhancement curves among nine groups

From: Effect of different injection rates and doses of contrast medium on the image quality of computed tomographic angiography in African grey parrots (Psittacus erithacus)

  

Total [n (%)]

Mean

Score

0

1

2

Score

740 mg of iodine/bird

0.3 mL/s

1 (10%)

3 (30%)

6 (60%)

1.5

0.4 mL/s

2 (20%)

5 (50%)

3 (30%)

1.1

0.5 mL/s

6 (60%)

2 (20%)

2 (20%)

0.6

370 mg of iodine/bird

0.3 mL/s

4 (40%)

2 (20%)

4 (40%)

1.0

0.4 mL/s

5 (50%)

2 (20%)

3 (30%)

0.8

0.5 mL/s

6 (60%)

3 (30%)

1 (10%)

0.5

222 mg of iodine/bird

0.3 mL/s

4 (40%)

2 (20%)

4 (40%)

1.0

0.4 mL/s

6 (60%)

2 (20%)

2 (20%)

0.6

0.5 mL/s

4 (40%)

6 (60%)

0 (0%)

0.6

  1. Score classification of the time-enhancement curve: 0 = absence of heterogeneity of contrast medium; 1 = mild heterogeneity; 2 = severe heterogeneity