Table 1.
Demographics
| Normal QST (n=35) | Abnormal QST (n=13) | |
|---|---|---|
| Age | 13.9 ±1.9 | 12.8 ±1.9 |
| Gender | ||
| Females | 16 (45.7%) | 6 (46.2%) |
| Males | 19 (54.3%) | 7 (53.8%) |
| Hgb Genotype | ||
| Hgb SS | 18 (51.4%) | 6 (46.2%) |
| HgbSC | 10 (28.6%) | 5 (38.5%) |
| Others | 7 (20.0%) | 2 (15.3%) |
| Hydroxyurea Treatment | 8 (22.8%) | 4 (30.7%) |
| Pain Frequency | ||
| None | 16 (45.7%) | 3 (23.0%) |
| 1 – 2 / year | 15 (42.9%) | 7 (53.8%) |
| ≥3 / year | 4 (11.4%) | 3 (23.1%) |
| Pain (Day of Testing) | ||
| No | 21 (60%) | 9 (69.0%) |
| Yes | 14 (40.0%) | 4 (30.8%) |
| Mean Pain* | 2.5 ± 1.9 | 1.3 ± 0.8 |
| Overall Pain Past Month | ||
| No | 13 (37.1%) | 5 (38.5%) |
| Yes | 22 (62.9%) | 8 (61.5%) |
| Mean Overall Pain* | 4.7 ± 2.4 | 4.3 ± 2.4 |
| Pain Sites** | ||
| Head/Neck | 6 (17.1%) | 4 (30.8%) |
| Chest | 6 (17.1%) | 3 (23.1%) |
| Abdomen | 6 (17.0%) | 3 (23.1%) |
| Low Back | 3 (08.6%) | 3 (23.1%) |
| Upper Extremities (Muscular) | 7 (20.0%) | 3 (23.1%) |
| Lower Extremities (Muscular | 9 (25.7%) | 2 (15.4%) |
| Bones [sternum/femur/tibia/spine] | 4 (11.4%) | 4 (30.8%) |
| Joints [shoulder, elbows, knees, ankles] | 6 (17.1%) | 2 (15.4%) |
*
Mean Pain on 0 to 10 Visual Analog Scale
**
Number of Pain sites on the Body Outline Diagram of the Modified Adolescent Pediatric Pain Tool42,43