Table 2. Prevalence of Dementia Diagnoses Among Medicare Recipients With Schizophrenia vs Without SMI by Age and Sex.
| Age, y | Cohort with schizophrenia | Cohort without SMI | ||||
|---|---|---|---|---|---|---|
| Dementia diagnoses, No./total No. (%) | Dementia diagnoses, No./total No. (%) | |||||
| All | Male | Female | All | Male | Female | |
| 66 | 17 640/63 287 (27.9) | 8559/28 963 (29.6) | 9081/34 324 (26.5) | 31 295/2 389 512 (1.3) | 15 040/978 590 (1.5) | 16 255/1 410 922 (1.2) |
| 67 | 17 204/54 977 (31.3) | 8170/24 670 (33.1) | 9034/30 307 (29.8) | 44 095/2 558 834 (1.7) | 20 696/1 040 944 (2.0) | 23 399/1 517 890 (1.5) |
| 68 | 15 345/45 262 (33.9) | 7020/19 795 (35.5) | 8325/25 467 (32.7) | 52 919/2 507 420 (2.1) | 23 850/1 012 607 (2.4) | 29 069/1 494 813 (1.9) |
| 69 | 13 417/36 801 (36.5) | 5961/15 730 (37.9) | 7456/21 071 (35.4) | 61 492/2 466 109 (2.5) | 26 939/992 543 (2.7) | 34 553/1 473 566 (2.3) |
| 70 | 11 421/29 302 (39.0) | 4945/12 237 (40.4) | 6476/17 065 (37.9) | 71 259/2 452 488 (2.9) | 30 435/984 477 (3.1) | 40 824/1 468 011 (2.8) |
| 71 | 9357/22 444 (41.7) | 3875/9093 (42.6) | 5482/13 351 (41.1) | 81 987/2 443 326 (3.4) | 34 057/978 226 (3.5) | 47 930/1 465 100 (3.3) |
| 72 | 7634/17 115 (44.6) | 3077/6717 (45.8) | 4557/10 398 (43.8) | 94 158/2 450 901 (3.8) | 38 447/978 083 (3.9) | 55 711/1 472 818 (3.8) |
| 73 | 6150/12 935 (47.5) | 2426/4937 (49.1) | 3724/7998 (46.6) | 110 193/2 494 190 (4.4) | 44 021/990 639 (4.4) | 66 172/1 503 551 (4.4) |
| 74 | 4697/9276 (50.6) | 1770/3391 (52.2) | 2927/5885 (49.7) | 127 176/2 511 907 (5.1) | 49 727/990 084 (5.0) | 77 449/1 521 823 (5.1) |
| 75 | 3327/6136 (54.2) | 1203/2131 (56.5) | 2124/4005 (53.0) | 145 631/2 500 564 (5.8) | 55 657/974 136 (5.7) | 89 975/1 525 428 (5.9) |
| 76 | 2208/3725 (59.3) | 715/1179 (60.6) | 1493/2546 (58.6) | 166 706/2 497 736 (6.7) | 62 357/961 484 (6.5) | 104 349/1 536 252 (6.8) |
| 77 | 2211/3531 (62.6) | 683/1065 (64.1) | 1528/2466 (62.0) | 184 548/2 412 795 (7.6) | 67 386/913 688 (7.4) | 117 162/1 499 107 (7.8) |
| 78 | 2125/3262 (65.1) | 604/927 (65.2) | 1521/2335 (65.1) | 203 698/2 325 789 (8.8) | 72 680/863 898 (8.4) | 131 018/1 461 891 (9.0) |
| 79 | 2056/3048 (67.5) | 558/819 (68.1) | 1498/2229 (67.2) | 223 625/2 232 872 (10.0) | 77 477/812 663 (9.5) | 146 148/1 420 209 (10.3) |
| 80 | 2011/2866 (70.2) | 532/758 (70.2) | 1479/2108 (70.2) | 242 094/2 134 602 (11.3) | 81 368/759 405 (10.7) | 160 726/1 375 197 (11.8) |
| 81 | 1894/2650 (71.5) | 486/674 (72.1) | 1408/1976 (71.3) | 261 205/2 037 312 (12.8) | 84 606/705 840 (12.0) | 176 599/1 331 472 (13.3) |
| 82 | 1851/2489 (74.4) | 459/610 (75.2) | 1392/1879 (74.1) | 279 753/1 936 645 (14.4) | 87 253/651 627 (13.4) | 192 500/1 285 018 (15.0) |
| 83 | 1794/2362 (76.0) | 419/556 (75.4) | 1375/1806 (76.1) | 296 831/1 829 573 (16.2) | 88 896/595 371 (14.9) | 207 935/1 234 202 (16.8) |
| 84 | 1763/2229 (79.1) | 400/514 (77.8) | 1363/1715 (79.5) | 311 978/1 724 490 (18.1) | 89 939/542 727 (16.6) | 222 039/1 181 763 (18.8) |
| 85 | 1643/2040 (80.5) | 354/442 (80.1) | 1289/1598 (80.7) | 324 525/1 618 299 (20.1) | 89 763/493 491 (18.2) | 234 762/1 124 808 (20.9) |
| 86 | 1500/1847 (81.2) | 312/387 (81.3) | 1188/1460 (81.4) | 331 711/1 498 390 (22.1) | 88 221/441 758 (20.0) | 243 490/1 056 632 (23.0) |
| 87 | 1374/1666 (82.5) | 261/317 (82.3) | 1113/1349 (82.5) | 334 669/1 375 574 (24.3) | 85 073/390 414 (21.8) | 249 596/985 160 (25.3) |
| 88 | 1223/1463 (83.6) | 208/251 (82.9) | 1015/1212 (83.8) | 329 283/1 239 661 (26.6) | 80 162/338 050 (23.7) | 249 121/901 611 (27.6) |
| 89 | 1059/1234 (85.8) | 172/203 (84.7) | 887/1031 (86.0) | 316 800/1 096 090 (28.9) | 73 579/286 280 (25.7) | 243 221/809 810 (30.0) |
| 90 | 909/1051 (86.5) | 139/164 (84.8) | 770/887 (86.8) | 296 595/954 827 (31.1) | 65 210/237 619 (27.4) | 231 385/717 208 (32.3) |
| 91 | 794/907 (87.5) | 113/133 (85.0) | 681/774 (88.0) | 271 706/816 719 (33.3) | 56 709/194 255 (29.2) | 214 997/622 464 (34.5) |
| 92 | 636/726 (87.6) | 94/109 (86.2) | 542/617 (87.8) | 243 818/685 909 (35.5) | 48 253/155 750 (31.0) | 195 565/530 159 (36.9) |
| 93 | 498/571 (87.2) | 61/74 (82.4) | 437/497 (87.9) | 213 815/565 331 (37.8) | 40 065/122 338 (32.7) | 173 750/442 993 (39.2) |
| 94 | 391/442 (88.5) | 37/47 (78.7) | 354/395 (89.6) | 182 293/455 682 (40.0) | 32 058/93 492 (34.3) | 150 235/362 190 (41.5) |
| 95 | 311/348 (89.4) | 27/36 (75.0) | 284/312 (91.0) | 150 480/357 766 (42.1) | 24 817/69 163 (35.9) | 125 663/288 603 (43.5) |
Abbreviation: SMI, serious mental illness.