Percentage of patients aged 18 years and older who have undergone ventral hernia repair who had a surgical site occurrence requiring procedural intervention within the 30 day postoperative period. Surgical site occurrences include any surgical site infections (superficial, deep, organ space) or any of the following: wound cellulitis, non-healing incisional wound, fascial disruption, skin or soft tissue ischemia, skin or soft tissue necrosis, wound serous drainage, wound purulent drainage, chronic sinus drainage, localized stab wound infection, stitch abscess, seroma, infected seroma, hematoma, infected hematoma, exposed biologic mesh, exposed synthetic mesh, contaminated biologic mesh, contaminated synthetic mesh, infected biologic mesh, infected synthetic mesh, mucocutaneous anastomosis disruption, enterocutaneous fistula). Procedural interventions include any of the following: wound opening, wound debridement, suture excision, percutaneous drainage, partial mesh removal, complete mesh removal.