2. Number of patient‐months on CAPD per episode of exit‐site infection.
| Study | Double bag systems | Y‐set systems | Standard systems |
| Cheng 1994 | ‐‐ | 14.9 | 16.4 |
| Li 1996 | ‐‐ | 26.4 | 21.6 |
| Kiernan 1995 | 28.3 | 12.5 | ‐‐ |
| Li 1999 | 17.4 | 16.0 | ‐‐ |
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