Table 2.
A summary of the GAN models applied for benchmarking
| Model | Distance measure (loss function) | Auto-encoder for discrete data generation | Normalization | Additional privacy components |
|---|---|---|---|---|
| medGAN25 | Jensen-Shannon divergence | Yes | BatchNorm for generator | No |
| medBGAN35 | f-divergence | Yes | BatchNorm for generator | No |
| EMR-WGAN20 | Wasserstein divergence | No | BatchNorm for generator; LayerNorm for discriminator | No |
| WGAN35 | Wasserstein divergence | Yes | BatchNorm for generator | No |
| DPGAN36 | Wasserstein divergence | Yes | BatchNorm for generator | Yes (differentially private stochastic gradient descent) |
All models share the generator-discriminator architecture for EHR data synthesis, but differ in their specializations to enhance either utility or privacy.