Figure 4
From: Trabeculopuncture as a predictive test of distal outflow resistance in canal-based surgery

Receiver operating characteristics (ROC) curve for post-trabeculopuncture IOP reduction in detecting ab interno trabeculectomy responders. Point A corresponds to a 5% IOP drop (resembling a 10% IOP reduction) after trabeculopuncture representing a sensitivity of 76.4% and specificity of 83.3%.