Table 1.
Variables | LVC (n = 10 621) | MVC (n = 10 713) | HVC (n = 10 242) | Total (n = 31 587) |
---|---|---|---|---|
2002 | 67 centres | 18 centres | 7 centres | 92 centres |
2003 | 39 centres | 35 centres | 20 centres | 94 centres |
2004 | 39 centres | 32 centres | 24 centres | 95 centres |
2005 | 41 centres | 32 centres | 24 centres | 97 centres |
2006 | 39 centres | 33 centres | 24 centres | 96 centres |
2007 | 40 centres | 33 centres | 24 centres | 97 centres |
2008 | 45 centres | 33 centres | 24 centres | 102 centres |
Region 1 | 880 cases | 0 cases | 0 cases | 880 cases |
Region 2 | 1837 cases | 286 cases | 1698 cases | 3821 cases |
Region 3 | 613 cases | 1599 cases | 2977 cases | 5189 cases |
Region 4 | 1284 cases | 996 cases | 849 cases | 3129 cases |
Region 5 | 2151 cases | 575 cases | 1598 cases | 4324 cases |
Region 6 | 403 cases | 668 cases | 0 cases | 1071 cases |
Region 7 | 905 cases | 1565 cases | 230 cases | 2700 cases |
Region 8 | 417 cases | 1543 cases | 0 cases | 1960 cases |
Region 9 | 0 cases | 1971 cases | 554 cases | 2525 cases |
Region 10 | 559 cases | 458 cases | 1954 cases | 2971 cases |
Region 11 | 1572 cases | 1052 cases | 382 cases | 3006 cases |
% of All Centers | 46.06% | 32.10% | 21.84% | 100% |
% of All Cases | 33.64% | 33.93% | 32.44% | 100% |
Median# Cases (SD) | 31 cases (10.86) | 64 cases (9.76) | 102 cases (26.00) | 197 cases |
LVC, low volume centers; MVC, middle volume centres; HVC, high volume centres; %, per cent; #, number; SD, standard deviation.