Appendix C.
Crosswalk between Brief Pain Inventory Pain Interference (BPI-PI) Summed Scores and Patient Reported Outcome Measurement Information System Pain Interference (PROMIS-PI) T-Score Metric
| BPI-PI Score | PROMIS-PI T-Score | Standard Error |
|---|---|---|
| 0 | 38.5 | 5.7 |
| 1 | 44.6 | 3.4 |
| 2 | 46.3 | 3.2 |
| 3 | 47.4 | 3.1 |
| 4 | 48.4 | 2.9 |
| 5 | 49.3 | 2.8 |
| 6 | 49.9 | 2.8 |
| 7 | 50.6 | 2.7 |
| 8 | 51.1 | 2.8 |
| 9 | 51.7 | 2.6 |
| 10 | 52.2 | 2.6 |
| 11 | 52.7 | 2.4 |
| 12 | 53.2 | 2.3 |
| 13 | 53.7 | 2.3 |
| 14 | 54.1 | 2.2 |
| 15 | 54.5 | 2.2 |
| 16 | 54.9 | 2.1 |
| 17 | 55.3 | 2.1 |
| 18 | 55.7 | 2.1 |
| 19 | 56 | 2.1 |
| 20 | 56.4 | 2.0 |
| 21 | 56.7 | 2.0 |
| 22 | 57.1 | 2.0 |
| 23 | 57.4 | 2.0 |
| 24 | 57.7 | 2.0 |
| 25 | 58.1 | 2.0 |
| 26 | 58.4 | 2.0 |
| 27 | 58.7 | 2.0 |
| 28 | 59 | 2.0 |
| 29 | 59.3 | 1.9 |
| 30 | 59.6 | 1.9 |
| 31 | 59.9 | 1.9 |
| 32 | 60.2 | 1.9 |
| 33 | 60.5 | 1.9 |
| 34 | 60.8 | 1.9 |
| 35 | 61.1 | 1.9 |
| 36 | 61.4 | 1.9 |
| 37 | 61.7 | 1.9 |
| 38 | 62 | 1.9 |
| BPI Pain Interference Score | PROMIS T-Score | SE |
|---|---|---|
| 39 | 62.3 | 1.9 |
| 40 | 62.6 | 1.9 |
| 41 | 62.9 | 1.9 |
| 42 | 63.2 | 1.9 |
| 43 | 63.6 | 1.9 |
| 44 | 63.9 | 1.9 |
| 45 | 64.2 | 1.9 |
| 46 | 64.5 | 1.9 |
| 47 | 64.8 | 1.9 |
| 48 | 65.2 | 2.0 |
| 49 | 65.5 | 2.0 |
| 50 | 65.8 | 2.0 |
| 51 | 66.2 | 2.0 |
| 52 | 66.6 | 2.0 |
| 53 | 66.9 | 2.0 |
| 54 | 67.3 | 2.0 |
| 55 | 67.7 | 2.0 |
| 56 | 68.1 | 2.0 |
| 57 | 68.5 | 2.0 |
| 58 | 68.9 | 2.1 |
| 59 | 69.4 | 2.1 |
| 60 | 69.9 | 2.1 |
| 61 | 70.4 | 2.1 |
| 62 | 70.9 | 2.1 |
| 63 | 71.5 | 2.2 |
| 64 | 72.1 | 2.2 |
| 65 | 72.8 | 2.2 |
| 66 | 73.5 | 2.3 |
| 67 | 74.5 | 2.3 |
| 68 | 75.6 | 2.5 |
| 69 | 77.1 | 2.7 |
| 70 | 80.2 | 3.4 |