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Table 4 Use or nonuse of APD machine, by PD vintage

From: Annual peritoneal dialysis report 2014, the peritoneal dialysis registry

PD vintage Use Nonuse Subtotal Unspecified No information available Total
<1 year (%) 627 (52.8) 561 (47.2) 1188 (100.0) 3 61 1252
1–<2 years (%) 451 (50.0) 451 (50.0) 902 (100.0) 2 44 948
2–<4 years (%) 672 (55.8) 532 (44.2) 1204 (100.0) 16 49 1269
4–<6 years (%) 340 (55.6) 272 (44.4) 612 (100.0) 7 21 640
6–<8 years (%) 163 (63.7) 93 (36.3) 256 (100.0) 13 269
8–<10 years (%) 66 (70.2) 28 (29.8) 94 (100.0) 2 5 101
≥10 years (%) 71 (68.3) 33 (31.7) 104 (100.0) 5 109
Subtotal (%) 2390 (54.8) 1970 (45.2) 4360 (100.0) 30 198 4588
No information available (%) 48 (55.8) 38 (44.2) 86 (100.0) 2514 2600
Total (%) 2438 (54.8) 2008 (45.2) 4446 (100.0) 30 2712 7188
Mean 2.99 2.56 2.80 3.41 2.67 2.80
SD 2.91 2.42 2.71 2.02 3.02 2.72
  1. These data were obtained from the PD-only patients in the patient survey
  2. Values in parentheses under each figure represent the percentage relative to the total in each row
  3. APD automated peritoneal dialysis