Table 2 Comparison of the Patient Global Impression of Change (PGIC) in Patients with a reduction in the VAS score of ≥50% at different time points
Time (months) | Patients with a reduction in the VAS score of ≥50% (n) | Very much improved (n1) | Much improved (n2) | n1+n2/n × 100% |
|---|---|---|---|---|
1 | 81 | 45 | 32 | 95.06% |
2 | 88 | 51 | 32 | 93.18% |
3 | 78 | 60 | 13 | 93.59% |
4 | 64 | 56 | 6 | 96.88% |
5 | 62 | 53 | 8 | 98.39% |
6 | 56 | 46 | 9 | 96.43% |
7 | 51 | 42 | 6 | 94.12% |
8 | 48 | 40 | 7 | 97.92% |
9 | 46 | 39 | 5 | 95.66% |
10 | 44 | 40 | 3 | 97.73% |
11 | 42 | 39 | 2 | 97.62% |
12 | 39 | 36 | 1 | 94.87% |
13 | 35 | 30 | 3 | 94.28% |
14 | 34 | 28 | 6 | 100% |