Table 2 Clinical validation comparison of StyleGAN2-generated versus real/ReACGAN-generated mucosal thickening 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

4.15 ± 0.81

4.32 ± 0.57

1.88 ± 1.42

2

4.22 ± 0.61

4.41 ± 0.64

1.74 ± 1.28

3

3.90 ± 1.03

4.27 ± 0.51

1.81 ± 1.38

Mean ± SD

4.09 ± 0.57 (P = 0.001)

4.33 ± 0.38

1.81 ± 1.31 (P < 0.001)