Table 3 Clinical validation comparison of StyleGAN2-generated versus real/ReACGAN-generated polypoid lesion images (n = 100, Mann–Whitney U test)

From: Expert-guided StyleGAN2 image generation elevates AI diagnostic accuracy for maxillary sinus lesions

Observer

Scoring results

Real images

StyleGAN2-

generated

ReACGAN-

generated

1

3.65 ± 1.12

4.08 ± 0.79

1.35 ± 0.77

2

3.71 ± 1.42

4.03 ± 0.58

1.21 ± 0.77

3

3.89 ± 1.20

3.94 ± 0.74

1.29 ± 0.84

Mean ± SD

3.75 ± 0.90 (P = 0.117)

4.02 ± 0.44

1.28 ± 0.60 (P < 0.001)