Table 1. Sample Characteristics of VA Patients in 2012a.
| Characteristic | All VA Patients (N = 5 472 629) | VA Patients ≥65 y of Age (n = 2 390 568) | VA Patients <65 y of Age (n = 3 082 061) |
|---|---|---|---|
| Male | 5 118 908 (93.5) | 2 349 034 (98.3) | 2 769 874 (89.9) |
| Age, mean (SD), y | 63.0 (16.1) | 76.9 (7.8) | 52.2 (12.1) |
| Diagnostic codes as measured by V21 | |||
| Any diabetes diagnosis | 1 211 089 (22.1) | 685 101 (28.7) | 525 988 (45.2) |
| Any MH/SA diagnosis | 694 706 (12.7) | 139 861 (5.9) | 554 845 (18.0) |
| Diagnostic codes as measured by PsyCMS | |||
| Any MH/SA diagnosisc | 1 958 978 (35.8) | 609 567 (25.5) | 1 349 411 (43.8) |
| PTSD | 571 654 (10.4) | 125 652 (5.3) | 446 002 (22.3) |
| Mood disorder | 1 010 105 (18.5) | 296 227 (12.4) | 713 878 (32.9) |
| Serious mental illness | 260 509 (4.8) | 53 553 (2.2) | 206 956 (14.8) |
| Substance abuse | 981 144 (17.9) | 233 533 (9.8) | 747 611 (29.7) |
| Dementia | 41 275 (0.8) | 35 814 (1.2) | 5461 (0.2) |
| Total costs, $ | |||
| Mean (SD) | 12 126 (30 090) | 14 995 (33 572) | 9901 (26 872) |
| Median (IQR) | 3955 (1645-10 185) | 5095 (2280-13 548) | 3195 (1288-8134) |
| VA costs, $ | |||
| Mean (SD) | 8547 (26 344) | 8074 (27 801) | 8914 (25 149) |
| Median (IQR) | 2613 (1117-6599) | 2245 (1027-5587) | 2964 (1214-7366) |
| Medicare costs, $ | |||
| Mean (SD) | 3579 (13 867) | 6921 (18 411) | 987 (7946) |
| Median (IQR) | 0 (0-708) | 560 (0-4535) | 0 |
| V21 score, mean (SD) | 0.73 (0.63) | 0.91 (0.65) | 0.59 (0.58) |
Abbreviations: IQR, interquartile range; MH/SA, mental health and substance abuse; PsyCMS, Psychiatric Case Mix System; PTSD, posttraumatic stress disorder; VA, Department of Veteran Affairs; V21, Medicare Advantage risk adjustment system version 21.
a
Data are presented as number (percentage) of VA patients unless otherwise indicated.