|  | 2008 | 2009 | 2010 | 2011 |
---|---|---|---|---|---|
N | CM | 304 | 295 | 269 | 297 |
 | ICHM | 366 | 366 | 375 | 376 |
Female (n (%)) | CM | 187 (61.5%) | 166 (56.3%) | 150 (55.8%) | 171 (57.6%) |
 | ICHM | 222 (60.7%) | 213 (58.2%) | 207 (55.2%) | 223 (59.3%) |
Age (mean (SD) (median, range)) | CM | 80.8 (8.5) (83, 60 to 101) | 80.6 (9.3) (83, 60 to 101) | 81.3 (9.2) (83, 60 to 98) | 81.3 (9.5) (83, 60 to 100) |
 | ICHM | 80.5 (8.4) (82, 60 to 100) | 79.5 (8.9) (81, 60 to 99) | 80.3 (8.8) (82, 60 to 99) | 79.9 (9.3) (81, 60 to 100) |
Functional status (mean (SD) (median, range)) | CM | 2.0 (0.8) (2, 1 to 4) | 2.3 (0.9) (2, 1 to 5) | 2.3 (0.9) (2, 1 to 5) | 2.3 (0.9) (2, 1 to 5) |
 | ICHM | 2.2 (0.9) (2, 1 to 5) | 2.2 (0.9) (2, 1 to 5) | 2.1 (0.9) (2, 1 to 5) | 2.1 (0.9) (2, 1 to 5) |