Table 4.
Comparison of Head‐Up Tilt Table Result From Our Chronic Regional Pain Syndrome Subjects and Normal Controls From the Literature
| Source | Total | Female, No. (%) | Mean Age (SD) | Positive HUTT, No. (%) |
|---|---|---|---|---|
| Grubb et al18 | 34 | 13 (38.2) | 33 (1.7) | 1 (2.9) |
| Podoleanu et al19 | 16 | 9 (56.3) | 26 (6.5) | 4 (25.0) |
| Aerts et al17 | 18 | 3 (16.7) | 26 (6.0) | 3 (16.7) |
| Radrigan et al20 | 21 | 7 (33.3) | 26 (3.5) | 1 (4.8) |
| Total controls | 89 | 32 (36.0) | 27.8 (9.7) | 9 (10.1) |
| CRPS patients in our study | 74 | 63 (85.1)a | 43.2 (14.0)a | 33 (45.2)a |
Abbreviation: HUTT, head‐up tilt table.
a
P < 0.001 for chronic regional pain syndrome (CRPS) patients compared to total normal controls.