Table 2.
Diagnostic characteristics of patients with confirmed ATTRwt
| Patient | Amyloid type | Age, years | Gender (M/F) | Years since CTS | History of spinal stenosis | Kappa, mg/L | Lambda, mg/L | K/L ratio | Monoclonal spike band | DPD Perugini grade | Myocardial biopsy |
|---|---|---|---|---|---|---|---|---|---|---|---|
| #1 | ATTRwt | 71 | M | 5.6 | No | 26.3 | 15.1 | 1.75 | No | 3 | No |
| #2 | ATTRwt | 71 | M | 5.4 | No | 13.3 | 15.7 | 0.85 | No | 3 | No |
| #3 | ATTRwt | 90 | M | 4.7 | No | 12.7 | 12.1 | 1.05 | No | 2 | Yes |
| #4 | ATTRwt | 87 | M | 4.7 | No | 23.3 | 19.9 | 1.17 | No | 2 | No |
| #5 | ATTRwt | 69 | M | 3.7 | No | 22.5 | 18.0 | 1.25 | No | 3 | Yes |
| #6 | ATTRwt | 83 | M | 2.9 | No | 27.7 | 11.2 | 2.47 | No | 3 | Yes |
| #7 | ATTRwt | 84 | M | 2.9 | No | 35.2 | 30.0 | 1.17 | Yes | 3 | Yes |
| #8 | ATTRwt | 87 | F | 2.7 | Yes | 22.3 | 14.4 | 1.55 | No | 3 | No |
| #9 | ATTRwt | 85 | M | 6.5 | No | 20.0 | 18.6 | 1.08 | No | 3 | Yes |
| #10 | ATTRwt | 79 | M | 2.9 | No | 45.8 | 6.6 | 7.0 | Yes | 2 | Yes |
ATTRwt, wild‐type transthyretin cardiac amyloidosis; CTS, carpal tunnel syndrome; DPD, technetium‐99m 3,3‐diphosphono‐1,2‐propanodicarboxylic acid scintigraphy.