TABLE 2.
Improvement in Pain Intensity Among Patients Who Received Battlefield Acupuncture Stratified by Age
| Mean (SD) and % | |||
|---|---|---|---|
| Clinical Pain Scores | First Visits (N=11,406 Patients) | Subsequent Visits (16,054 Visits Among 4661 Patients) | All Visits Combined (27,460 Visits Among 11,406 Patients) |
| All Veterans | |||
| Pain level (pre) | 6.3 (2.1) | 5.9 (2.2) | 6.1 (2.1) |
| Pain level (post) | 3.8 (2.4) | 3.7 (2.4) | 3.7 (2.4) |
| Change in pain intensity | −2.5 (2.2) | −2.2 (2.0) | −2.3 (2.1) |
| No change in pain intensity | 21.0 | 20.5 | 20.7 |
| Slight/small change in pain intensity | 16.7 | 20.7 | 19.0 |
| Moderate change in pain intensity | 19.0 | 22.3 | 20.9 |
| Large/substantial change in pain intensity | 43.3 | 36.6 | 39.4 |
| Unadjusted proportion achieving minimal clinically important difference (overall) | 62.3 | 58.8 | 60.3 |
| First visits (n=6641 patients) | Subsequent visits (8435 visits among 2582 patients) | All visits combined (15,076 visits among 6641 patients) | |
| Veterans age 18–64 y | |||
| Pain level (pre) | 6.2 (2.0) | 6.0 (2.1) | 6.1 (2.1) |
| Pain level (post) | 3.8 (2.4) | 3.9 (2.3) | 3.8 (2.4) |
| Change in pain intensity | −2.4 (2.1) | −2.2 (1.9) | −2.3 (2.0) |
| No change in pain intensity | 21.5 | 20.7 | 21.1 |
| Slight/small change in pain intensity | 16.9 | 20.3 | 18.8 |
| Moderate change in pain intensity | 19.5 | 22.2 | 21.0 |
| Large/substantial change in pain intensity | 42.1 | 36.7 | 39.1 |
| Unadjusted proportion achieving minimal clinically important difference (overall) | 61.6 | 59.0 | 60.1 |
| First visits (n=4765 patients) | Subsequent visits (7619 visits among 2065 patients) | All visits combined (12,384 visits among 4765 patients) | |
| Veterans age ≥65 y | |||
| Pain level (pre) | 6.3 (2.2) | 5.7 (2.3) | 6.0 (2.6) |
| Pain level (post) | 3.7 (2.5) | 3.5 (2.4) | 3.6 (2.4) |
| Change in pain intensity | −2.6 (2.3) | −2.2 (2.0) | −2.4 (2.1) |
| No change in pain intensity | 20.3 | 20.3 | 20.3 |
| Slight/small change in pain intensity | 16.5 | 21.1 | 19.3 |
| Moderate change in pain intensity | 18.3 | 22.3 | 20.7 |
| Large/substantial change in pain intensity | 45.0 | 36.4 | 39.7 |
| Unadjusted proportion achieving minimal clinically important difference (overall) | 63.3 | 58.6 | 60.4 |