Table 1.
Differences in physician’s rating scale (PRS) scores at 6 weeks, 12 weeks, and 24 weeks after botulinum toxin injection.
| Subgroups | Baseline—6 Weeks | Baseline—12 Weeks | Baseline—24 Weeks | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| PRS < 2 | PRS ≥ 2 | p | PRS < 2 | PRS ≥ 2 | p | PRS < 2 | PRS ≥ 2 | p | ||
| N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | |||||
| Pre-injection History | None | 8 (16.7) | 40 (83.3) | 11 (22.9) | 37 (77.1) | 20 (41.7) | 28 (58.3) | |||
| Yes | 29 (30.5) | 66 (69.5) | 0.074 | 25 (26.3) | 70 (71.1) | 0.658 | 47 (50) | 47 (50) | 0.347 | |
| 0−1 | 14 (19.7) | 57 (80.3) | 16 (22.5) | 55 (77.5) | 28 (39.4) | 43 (60.6) | ||||
| >1 | 23 (31.9) | 49 (68.1) | 0.095 | 20 (27.8) | 52 (72.2) | 0.470 | 39 (54.2) | 32 (44.4) | 0.110 | |
| ≤2 | 19 (20.2) | 75 (79.8) | 24 (25.5) | 70 (74.5) | 41 (43.6) | 52 (55.3) | ||||
| >2 | 18 (36.7) | 31 (63.3) | 0.032 | 12 (24.5) | 37 (75.5) | 0.892 | 26 (53.1) | 23 (46.9) | 0.457 | |
| Type | Unilateral | 14 (29.2%) | 34 (70.8%) | 11 (22.9%) | 37 (77.1%) | 22 (46.8%) | 25 (53.2%) | |||
| Bilateral | 23 (24.2%) | 72 (75.8%) | 0.523 | 25 (26.3%) | 70 (73.7%) | 0.658 | 45 (47.4%) | 50 (52.6%) | 0.95 | |
| GMFCS level | I | 22 (24.4%) | 68 (75.6%) | 20 (22.2%) | 70 (77.8%) | 35 (39.3%) | 54 (60.7%) | |||
| II | 9 (26.5%) | 25 (73.5%) | 10 (29.4%) | 24 (70.6%) | 20 (58.8%) | 14 (41.2%) | ||||
| III | 6 (31.6%) | 13 (68.4%) | 0.809 | 6 (31.6%) | 13 (68.4%) | 0.562 | 12 (63.2%) | 7 (36.8%) | 0.05 | |
GMFCS: Gross Motor Function Classification System.