Table 3.
Group | Age at disease onset (years) | Age at the first BoNT injection (years) | Age at the time of post-treatment evaluation (years) | Number of tremor modes treated (per limb) | BoNT dose (Abo units per limb) |
---|---|---|---|---|---|
Essential tremor | 45.20 ± 19.47 50.5 (13–82) |
67.38 ± 68.14 67.0 (48–87) |
70.67 ± 8.38 70.0 (49–88) |
1.90 ± 0.71 2.0 (1–4) |
95.43 ± 54.07 85.0 (12–220) |
Holmes tremor | 36.50 ± 17.17 30.5 (18–62) |
40.38 ± 19.26 37.0 (21–69) |
49.38 ± 17.59 49.0 (20–74) |
2.88 ± 1.55 3.0 (1–5) |
216.13 ± 127.93 212.5 (54–390) |
t-value (p) in Student’s t-test | 1.17 (NS) | 5.39 (p < 10-3) | 8.24 (p = .01) | -1.73 (NS) | -2.60 (p = .03) |
Abbreviations: Abo, abobotulinumtoxin A; BoNT, botulinum neurotoxin; NS, not significant.
All descriptive data are quoted as the mean ± standard deviation and the median (range).