Table 1: Patient groups and sample sizes.

Patient Groups

Sample Size

Pyoderma Gangrenosum

Experimental

255

All Dermatology Patients at WFBH

Control

1020

Psoriasis

1020

Atopic Dermatitis

1020

Skin Cancer

1020

All Patients at WFBH

1020

Total

5355

*WFBH = Wake Forest Baptist Health Medical Center