Table 2.

Center characteristics comparing low versus high rates of culture-negative peritonitis

CharacteristicsOverall (%), [Interquartile Range]Centers with ≤20% Culture-Negative Peritonitis Rate (%), [Interquartile Range]Centers with >20% Culture-Negative Peritonitis Rate (%), [Interquartile Range]P Value (if Applicable)
Participating centers321220
No. of catheters placed1301460841
Episodes of peritonitis620199421
Median no. of lines placed per center30 [18–56]26 [15.5–53]33 [20.5–63]0.43
Exit site orientation<0.001
 Lateral497 (38)130 (28)367 (44)
 Downward605 (47)271 (59)334 (40)
 Upward48 (4)11 (2)37 (4)
 Missing orientation151 (12)48 (10)103 (12)
No. of subcutaneous cuffs<0.001
 One283 (22)33 (7)250 (30)
 Two866 (67)381 (83)485 (58)
 Missing152 (12)46 (10)106 (13)
G tube present at time of peritonitis83 (6)26 (6)57 (7)0.18
Dialysis performed by self371 (29)108 (24)263 (31)<0.001