Center characteristics comparing low versus high rates of culture-negative peritonitis
| Characteristics | Overall (%), [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 centers | 32 | 12 | 20 | |
| No. of catheters placed | 1301 | 460 | 841 | |
| Episodes of peritonitis | 620 | 199 | 421 | |
| Median no. of lines placed per center | 30 [18–56] | 26 [15.5–53] | 33 [20.5–63] | 0.43 |
| Exit site orientation | <0.001 | |||
| Lateral | 497 (38) | 130 (28) | 367 (44) | |
| Downward | 605 (47) | 271 (59) | 334 (40) | |
| Upward | 48 (4) | 11 (2) | 37 (4) | |
| Missing orientation | 151 (12) | 48 (10) | 103 (12) | |
| No. of subcutaneous cuffs | <0.001 | |||
| One | 283 (22) | 33 (7) | 250 (30) | |
| Two | 866 (67) | 381 (83) | 485 (58) | |
| Missing | 152 (12) | 46 (10) | 106 (13) | |
| G tube present at time of peritonitis | 83 (6) | 26 (6) | 57 (7) | 0.18 |
| Dialysis performed by self | 371 (29) | 108 (24) | 263 (31) | <0.001 |