From: Dental implants in patients suffering from systemic sclerosis: a retrospective analysis of clinical outcomes in a case series with 24 patients
Linear regression with a random effect:
globaler Test p < 0.001
PLI 0 vs. PLI 1: p = 0.933
PLI 0 vs. PLI 2: p < 0.001
PLI 1 vs. PLI 2: p < 0.001