Table 2.
Pain Outcomes by Acute Healthcare Utilization Event Groups (First Visit, N=137)
| Variable (min-max possible score) | Group
|
F Sstatistic | P-value | ||
|---|---|---|---|---|---|
| 0 Events (n=25) Mean (SD) |
1–3 Events (n=54) Mean (SD) |
4–23 Events (n=58) Mean (SD) |
|||
| Composite Pain Index (0–100) | 31.9 (13.1) | 41.0 (13.4) | 43.3 (11.5) | 7.38 | 0.001 |
|
| |||||
| Number of pain sites (0–22) | 3.4 (2.4) | 3.3 (2.1) | 4.0 (2.2) | 1.41 | 0.249 |
|
| |||||
| Pain Intensity score (0–10) | |||||
| Current pain | 3.1 (3.3) | 3.0 (3.0) | 4.8 (3.1) | 5.72 | 0.004 |
| Least pain in the last 24 hours | 2.0 (2.7) | 3.2 (2.9) | 4.0 (2.7) | 4.65 | 0.011 |
| Worst pain in the last 24 hours | 3.4 (4.0) | 4.6 (3.3) | 6.7 (3.1) | 10.04 | <0.001 |
| Average pain intensity (0–10) | 2.8 (2.9) | 3.6 (2.6) | 5.2 (2.5) | 8.61 | <0.001 |
|
| |||||
| Pain Rating Index (PRI) | |||||
| PRI-S: Sensory (0–42) | 13.9 (6.9) | 19.8 (7.6) | 19.3 (7.2) | 6.10 | 0.003 |
| PRI-A: Affective (0–14) | 2.8 (2.6) | 5.4 (4.0) | 5.0 (4.0) | 3.98 | 0.021 |
| PRI-E: Evaluative (0–5) | 3.2 (1.9) | 3.8 (1.7) | 3.6 (2.0) | 0.85 | 0.430 |
| PRI-M: Miscellaneous (0–17) | 4.1 (4.0) | 6.5 (4.9) | 6.0 (4.5) | 2.34 | 0.101 |
| PRI-T: Total (0–78) | 24.0 (13.3) | 35.4 (15.4) | 33.8 (14.6) | 5.43 | 0.005 |
|
| |||||
| Pain Descriptive Words | |||||
| Number of word groups chosen (0–20) | 8.6 (4.3) | 11.5 (4.2) | 10.7 (4.2) | 3.96 | 0.021 |
| Number of nociceptive words (0–28) | 4.8 (2.5) | 7.4 (4.4) | 7.0 (3.5) | 4.34 | 0.015 |
| Number of neuropathic words (0–26) | 2.8 (2.7) | 4.6 (2.9) | 4.8 (3.3) | 3.83 | 0.024 |
|
| |||||
| N (%) | N (%) | N (%) | |||
|
| |||||
| Pain pattern (3 descriptors per group) | |||||
| Constant group | 16 (64%) | 46 (85%) | 51 (88%) | 0.037 | |
| Intermittent group | 9 (36%) | 29 (54%) | 26 (45%) | 0.322 | |
| Transient group | 11 (44%) | 26 (48%) | 15 (26%) | 0.039 | |
| Total pain pattern score (0–6) | 3.2 (1.6) | 4.1 (1.6) | 3.6 (1.6) | 2.82 | 0.063 |
Note. The CPI is now computed as a proportional score that ranges from 0 to 100. In our previous publication, the CPI score was calculated differently (12).