Characteristic | Open-label phase (n = 67) | Double-blind phase (n = 29) |
---|---|---|
Age (years) | ||
Mean (SD) | 58.7 (12.4) | 55.3 (14.0) |
Median (range) | 60 (21–79) | 56 (21–74) |
Sex, n (%) | ||
Male | 23 (34.3) | 10 (34.5) |
Female | 44 (65.7) | 19 (65.5) |
Height (cm) | ||
Mean (SD) | 167.3 (9.4) | 167.3 (9.0) |
Median (range) | 165.0 (144–193) | 165.0 (144–186) |
Weight (kg) | ||
Mean (SD) | 74.8 (14.3) | 76.1 (13.4) |
Median (range) | 73.0 (47–107) | 74.0 (55–107) |
BMI (kg/m2) | ||
Mean (SD) | 26.6 (3.9) | 27.1 (3.8) |
Median (range) | 25.9 (19–35) | 27.2 (22–33) |
Race, n (%) | ||
White | 64 (95.5) | 28 (96.6) |
African American/African heritage | 1 (1.5) | 1 (3.4) |
Mixed race | 2 (3.0) | 0 |
TN duration (years), median (range) | 6 (0–35) | 6 (1–17) |
Number of previous therapies for TN, median (range) | 2 (1–25) | 1 (1–6) |
Anatomical site of TN pain, n (%) | ||
First branch | 1 (2) | 1 (3) |
Second branch | 17 (25) | 9 (31) |
Third branch | 17 (25) | 7 (24) |
First and second branches | 5 (8) | 3 (10) |
First, second, and third branches | 7 (10) | 2 (7) |
Second and third branches | 20 (30) | 7 (24) |