Patient demographic characteristics among prevalent cases
| . | 2007 . | 2008 . | 2009 . | 2010 . | 2011 . | 2012 . | 2013 . | 2014 . | 2015 . | All* . |
|---|---|---|---|---|---|---|---|---|---|---|
| N | 368 | 595 | 741 | 837 | 1021 | 1080 | 1063 | 1061 | 825 | 7591 |
| Age, mean (SD), y | 63 (12) | 63 (12) | 62 (12) | 62 (12) | 64 (12) | 64 (12) | 65 (12) | 63 (12) | 64 (13) | 63 (12) |
| 18-34, n (%) | 5 (1.4) | 5 (0.8) | 6 (0.8) | 18 (2.2) | 17 (1.7) | 15 (1.4) | 8 (0.8) | 13 (1.2) | 12 (1.5) | 99 (1.3) |
| 35-54, n (%) | 73 (19.8) | 132 (22.2) | 176 (23.8) | 198 (23.7) | 195 (19.1) | 195 (18.1) | 194 (18.3) | 210 (19.8) | 161 (19.5) | 1534 (20.2) |
| 55-64, n (%) | 128 (34.8) | 230 (38.7) | 282 (38.1) | 300 (35.8) | 366 (35.8) | 387 (35.8) | 346 (32.5) | 392 (36.9) | 296 (35.9) | 2727 (35.9) |
| 65+, n (%) | 162 (44.0) | 228 (38.3) | 277 (37.4) | 321 (38.4) | 443 (43.4) | 483 (44.7) | 515 (48.4) | 446 (42.0) | 356 (43.2) | 3231 (42.6) |
| Female, n (%) | 168 (45.7) | 276 (46.4) | 346 (46.7) | 380 (45.4) | 467 (45.7) | 467 (43.2) | 466 (43.8) | 468 (44.1) | 389 (47.2) | 3427 (45.1) |
| Region, n (%) | ||||||||||
| Midwest | 129 (35.1) | 182 (30.6) | 244 (32.9) | 236 (28.2) | 282 (27.6) | 258 (23.9) | 248 (23.3) | 250 (23.6) | 193 (23.4) | 2022 (26.6) |
| Northeast | 45 (12.2) | 93 (15.6) | 135 (18.2) | 171 (20.4) | 226 (22.1) | 269 (24.9) | 242 (22.8) | 282 (26.6) | 205 (24.8) | 1668 (22.0) |
| South | 138 (37.5) | 217 (36.5) | 225 (30.4) | 276 (33.0) | 316 (31.0) | 351 (32.5) | 352 (33.1) | 382 (36.0) | 304 (36.8) | 2561 (33.7) |
| West | 56 (15.2) | 103 (17.3) | 137 (18.5) | 154 (18.4) | 197 (19.3) | 202 (18.7) | 221 (20.8) | 147 (13.9) | 123 (14.9) | 1340 (17.7) |
| Insurance type, n (%) | ||||||||||
| Commercial | 208 (56.5) | 377 (63.4) | 479 (64.6) | 527 (63.0) | 589 (57.7) | 608 (56.3) | 558 (52.5) | 626 (59.0) | 483 (58.5) | 4455 (58.7) |
| Medicare supplemental (Medigap)† | 160 (43.5) | 218 (36.6) | 262 (35.4) | 310 (37.0) | 432 (42.3) | 472 (43.7) | 505 (47.5) | 435 (41.0) | 342 (41.5) | 3136 (41.3) |
| . | 2007 . | 2008 . | 2009 . | 2010 . | 2011 . | 2012 . | 2013 . | 2014 . | 2015 . | All* . |
|---|---|---|---|---|---|---|---|---|---|---|
| N | 368 | 595 | 741 | 837 | 1021 | 1080 | 1063 | 1061 | 825 | 7591 |
| Age, mean (SD), y | 63 (12) | 63 (12) | 62 (12) | 62 (12) | 64 (12) | 64 (12) | 65 (12) | 63 (12) | 64 (13) | 63 (12) |
| 18-34, n (%) | 5 (1.4) | 5 (0.8) | 6 (0.8) | 18 (2.2) | 17 (1.7) | 15 (1.4) | 8 (0.8) | 13 (1.2) | 12 (1.5) | 99 (1.3) |
| 35-54, n (%) | 73 (19.8) | 132 (22.2) | 176 (23.8) | 198 (23.7) | 195 (19.1) | 195 (18.1) | 194 (18.3) | 210 (19.8) | 161 (19.5) | 1534 (20.2) |
| 55-64, n (%) | 128 (34.8) | 230 (38.7) | 282 (38.1) | 300 (35.8) | 366 (35.8) | 387 (35.8) | 346 (32.5) | 392 (36.9) | 296 (35.9) | 2727 (35.9) |
| 65+, n (%) | 162 (44.0) | 228 (38.3) | 277 (37.4) | 321 (38.4) | 443 (43.4) | 483 (44.7) | 515 (48.4) | 446 (42.0) | 356 (43.2) | 3231 (42.6) |
| Female, n (%) | 168 (45.7) | 276 (46.4) | 346 (46.7) | 380 (45.4) | 467 (45.7) | 467 (43.2) | 466 (43.8) | 468 (44.1) | 389 (47.2) | 3427 (45.1) |
| Region, n (%) | ||||||||||
| Midwest | 129 (35.1) | 182 (30.6) | 244 (32.9) | 236 (28.2) | 282 (27.6) | 258 (23.9) | 248 (23.3) | 250 (23.6) | 193 (23.4) | 2022 (26.6) |
| Northeast | 45 (12.2) | 93 (15.6) | 135 (18.2) | 171 (20.4) | 226 (22.1) | 269 (24.9) | 242 (22.8) | 282 (26.6) | 205 (24.8) | 1668 (22.0) |
| South | 138 (37.5) | 217 (36.5) | 225 (30.4) | 276 (33.0) | 316 (31.0) | 351 (32.5) | 352 (33.1) | 382 (36.0) | 304 (36.8) | 2561 (33.7) |
| West | 56 (15.2) | 103 (17.3) | 137 (18.5) | 154 (18.4) | 197 (19.3) | 202 (18.7) | 221 (20.8) | 147 (13.9) | 123 (14.9) | 1340 (17.7) |
| Insurance type, n (%) | ||||||||||
| Commercial | 208 (56.5) | 377 (63.4) | 479 (64.6) | 527 (63.0) | 589 (57.7) | 608 (56.3) | 558 (52.5) | 626 (59.0) | 483 (58.5) | 4455 (58.7) |
| Medicare supplemental (Medigap)† | 160 (43.5) | 218 (36.6) | 262 (35.4) | 310 (37.0) | 432 (42.3) | 472 (43.7) | 505 (47.5) | 435 (41.0) | 342 (41.5) | 3136 (41.3) |