Table 1 Comparison of the results in the different waves of the survey
One survey exposure | Two survey exposures | Three survey exposures | |
|---|---|---|---|
No. of HCPs | 110 | 80 | 38 |
No. of new suspected CIDP patients | 1431 | 489 | 211 |
No. of patients with suspected CIDP treated with IVIg | 966 (67.5%) | 383 (78.3%) | 174 (82.5%) |
No. of patients who were IVIg-NR | 198 (20.5% of IVIg treated patients) | 76 (19.8% of IVIg treated patients) | 41 (23.6% of IVIg treated patients) |
No. of IVIg-NR patients proposed a TTR test | 93 (47.0% of non-responders) | 46 (60.5% of non-responders) | 27 (65.9% of non-responders) |
No. of IVIg-NR patients where a TTR test was performed | 75 (37.9% of non-responders) | 42 (55.3% of non-responders) | 27 (65.9% of non-responders) |
No. of IVIg-NR patients who were TTR test positive | 23 (30.7% of tests performed). 11.6% of IVIg-NR CIDP patients | 16 (38.1% of tests performed) 21.0% of IVIg-NR CIDP patients | 4 (14.8% of tests performed). 9.7% of IVIg-NR CIDP patients |