Table 2.
Selected Sample Characteristics; Older Adults (age > 65) with Osteoarthritis (n = 44,990); Optum Clinformatics Data Mart 2015–2016.
| Variable | N/Mean | Percentage/SD | |
|---|---|---|---|
| All | 44,990 | 100.0 | |
| Age | |||
| 65–69 | 10,315 | 22.9 | |
| 70–74 | 11,330 | 25.2 | |
| 75–79 | 8957 | 19.9 | |
| 80+ | 14,388 | 32.0 | |
| Sex | |||
| Female | 29,853 | 66.4 | |
| Male | 15,137 | 33.6 | |
| Region | |||
| Northeast | 6034 | 13.4 | |
| Midwest | 10,862 | 24.1 | |
| South | 16,410 | 36.5 | |
| West | 11,684 | 26.0 | |
| Insurance Type | |||
| HMO | 16,314 | 36.3 | |
| Other | 28,676 | 63.7 | |
| Other Pain Conditions | |||
| Yes | 15,733 | 35.0 | |
| No | 29,257 | 65.0 | |
| OA-related pain | |||
| Yes | 24,880 | 55.3 | |
| No | 20,110 | 44.7 | |
| Anxiety | |||
| Yes | 6285 | 14.0 | |
| No | 38,705 | 86.0 | |
| Substance abuse disorder | |||
| Yes | 3354 | 7.5 | |
| No | 41,636 | 92.5 | |
| Depression | |||
| Yes | 7620 | 16.9 | |
| No | 37,370 | 83.1 | |
| Fragmentation of care index | 0.44 | 0.28 | |
| Number of IA hyaluronic acid injections | |||
| 0.2 | 0.9 | ||
| Number of IA corticosteroid injections | |||
| 0.8 | 1.5 | ||
| Number of physical therapy visits | |||
| 4.4 | 12.0 | ||
| Number of opioid prescriptions | |||
| 2.0 | 4.2 | ||
| Any NSAIDs use | |||
| Yes | 11,891 | 21.6 | |
| No | 33,099 | 78.4 | |
| CV/GI Risk | |||
| High CV/high GI | 3383 | 7.5 | |
| High CV/low GI | 4233 | 9.4 | |
| Low CV/high GI | 12,145 | 27.0 | |
| Low CV/low GI | 25,229 | 56.1 | |
| Number of days of non-selective NSAIDs use | |||
| 29.3 | 79.5 | ||
| Number of days of selective NSAIDs use | |||
| 5.8 | 38.7 | ||
| Potentially inappropriate NSAIDs use at follow-up | |||
| Yes | 5772 | 12.8 | |
| No | 39,218 | 87.2 | |
Note: Based on 44,990 older adults (age > 65) with OA using data from Optum’s De-identified Clinformatics® Data Mart who were continuously enrolled in Medicare Advantage plan during 2015–2016. All characteristics were captured at baseline unless specified. CV—cardiovascular; GI—gastrointestinal; HMO, health maintenance organization; IA, intra-articular; NSAIDs—non-steroidal anti-inflammatory drugs; OA—osteoarthritis.