Table 6 Patients treated, treatment duration, and mortality by calendar year in each dialysis unit. USRDS data are shown for comparison
Years | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 |
|---|---|---|---|---|---|---|---|---|---|
Number of patients treated during each year | |||||||||
Unit A | 279 | 236 | 294 | 295 | 268 | 287 | 313 | 317 | 340 |
Unit B | NA | 112 | 152 | 157 | 166 | 160 | 167 | 232 | 258 |
Unit C | NA | NA | 154 | 171 | 171 | 180 | 190 | 192 | 193 |
Mean age (years) at start of HD treatment in each year | |||||||||
Unit A | 56.9 | 58.7 | 57.3 | 57.2 | 56.1 | 56.0 | 57.3 | 56.7 | 58.2 |
Unit B | NA | 60.7 | 59.9 | 59.5 | 60.0 | 59.7 | 60.8 | 61.5 | 62.9 |
Unit C | NA | NA | 62.5 | 63.4 | 64.2 | 61. 9 | 61.5 | 62. 6 | 62.5 |
USRDS* | 56.2 | 56.5 | 56.8 | 57.0 | 57.3 | 57.5 | 57.7 | 57.9 | NA |
Duration of treatment (years) | |||||||||
Unit A | 193.5 | 173.8 | 221.1 | 208.1 | 207.9 | 219.4 | 232.8 | 235.3 | 244.8 |
Unit B | NA | 81.0 | 100.2 | 118.6 | 121.6 | 121.9 | 130.6 | 169.3 | 202.9 |
Unit C | NA | NA | 101.7 | 126.5 | 139.9 | 144.8 | 145.9 | 148.8 | 145.2 |
Number of deaths | |||||||||
Unit A | 36 | 35 | 38 | 47 | 29 | 19 | 38 | 34 | 27 |
Unit B | NA | 25 | 26 | 17 | 21 | 21 | 14 | 27 | 27 |
Unit C | NA | NA | 27 | 26 | 20 | 22 | 24 | 23 | 22 |
Mortality per 1000 patient years | |||||||||
Unit A | 186.1 | 201.4 | 171.8 | 225.8 | 139.4 | 86.2 | 163.2 | 144.5 | 110.8 |
Unit B | NA | 308.7 | 259.5 | 143.4 | 172.7 | 172.3 | 107.2 | 159.5 | 133.1 |
Unit C | NA | NA | 265.5 | 205.6 | 142.9 | 151.9 | 164.5 | 154.5 | 151.5 |
USRDS** | 234 | 241 | 236 | 238 | 237 | 236 | 232 | 229 | NA |