Fig. 2

Late onset of peritonitis after dental procedures. The data of time to peritonitis were obtained from the previous reports showing PD-associated peritonitis after colonoscopy [12, 13, 36,37,38,39,40,41,42,43] or dental procedures [14, 15]. Comparison was analyzed using the two-tailed t test. Cases of polymicrobial peritonitis were plotted as closed tri-angels. Cases of peritonitis with single-organism or culture-negative were plotted as closed circles. This case is indicated by red closed tri-angle