Table 2:
Disease specific, General QOL Measures and Functional Capacity
| Questionnaire | Overall (N=47) | Amyloid Absent (N=31) | Amyloid Present (N=16) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TTR (N=10) | Indeterminant (N=6) | |||||||||||
| n | Mean ± SD | Median (Q1 - Q3) | n | Mean ± SD | Median (Q1 - Q3) | n | Mean ± SD | Median (Q1 - Q3) | n | Mean ± SD | Median (Q1 - Q3) | |
| Swiss Spinal Stenosis Questionnaire | ||||||||||||
| Symptom severity (range 1 to 5) | 27 | 2.7±0.9 | 2.7 (2.1, 3.2) | 14 | 2.9±1.1 | 2.8 (2.3, 3.8) | 9 | 2.5±0.7 | 2.7 (2.1, 3) | 4 | 2.6±0.8 | 2.5 (2.1, 3.1) |
| Functional disability (range 1 to 4) | 27 | 2.2±0.7 | 2.2 (1.6, 2.7) | 14 | 2.3±0.9 | 2.6 (1.5, 3) | 9 | 2±0.7 | 2 (1.6,2.2) | 4 | 2.4±0.2 | 2.4 (2.4, 2.5) |
| Oswestry Low Back Pain Questionnaire | ||||||||||||
| Total percent score (range 0 to 100) | 24 | 38±19.6 | 41 (23.5, 53) | 15 | 41.5±18.8 | 42 (25.5, 54.5) | 6 | 22.8±18.1 | 24 (12.8, 26.3) | 3 | 51±9.6 | 47 (45.5, 54.5) |
| KCCQ scores (range 0 to 100) | ||||||||||||
| Physical limitation | 24 | 71.4±26.2 | 77.1 (54.2, 91.7) | 12 | 74.3±27.9 | 83.3 (65.7, 93.8) | 8 | 68.8±27.1 | 77.1 (40.7, 91.7) | 4 | 67.7±24.6 | 64.6 (54.2, 78.1) |
| Symptom stability | 26 | 51.9±9.6 | 50 (50, 50) | 14 | 53.3±12.9 | 50 (50, 50) | 8 | 50±0 | 50 (50, 50) | 4 | 50±0 | 50 (50, 50) |
| Symptom frequency | 27 | 83.3±24.8 | 92.7 (79.2, 100) | 14 | 83.2±27.9 | 95.8 (85.4, 100) | 9 | 84.3±25.5 | 100 (87.5, 100) | 4 | 81.3±13.3 | 78.2 (75, 84.4) |
| Symptom burden | 27 | 83.6±20 | 91.7 (75, 100) | 14 | 83.9±23 | 91.7 (83.3, 100) | 9 | 82.4±18.8 | 91.7 (75, 100) | 4 | 85.4±12.5 | 83.4 (75, 93.8) |
| Total symptom | 27 | 83.5±21.7 | 89.6 (81.3, 100) | 14 | 83.6±24.8 | 91.7 (82.3, 99) | 9 | 83.4±21.5 | 89.6 (81.3, 100) | 4 | 83.4±12.5 | 80.8 (75.1, 89.1) |
| Self-efficacy | 27 | 83±25.7 | 100 (75, 100) | 14 | 89.2±20 | 100 (87.5, 100) | 9 | 76.4±33.3 | 87.5 (75, 100) | 4 | 75±27 | 81.3 (65.6, 90.6) |
| Quality of life | 24 | 88.3±16.7 | 91.7 (83.3, 100) | 14 | 91.1±12.4 | 100 (87.5, 100) | 7 | 78.6±24 | 91.7 (62.5, 95.9) | 3 | 97.2±4.8 | 100 (95.9, 100) |
| Social limitation | 15 | 75.3±33.1 | 93.8 (59.4, 100) | 8 | 70.8±39 | 100 (37.5, 100) | 4 | 79.7±32.8 | 93.8 (73.5, 100) | 3 | 82.7±16.7 | 81.3 (74, 90.7) |
| Clinical summary | 27 | 78.8±22 | 87.5 (70.8, 94.1) | 14 | 80.3±24.5 | 87.5 (81.1, 94.3) | 9 | 77.8±21.2 | 87.5 (67.8, 90.7) | 4 | 75.6±17.4 | 71.7 (68.3, 78.9) |
| Overall summary | 24 | 82.1±18 | 88.9 (74.5, 95.3) | 14 | 82.9±17.7 | 88.9 (77.9, 93.5) | 7 | 79.8±21.7 | 82.3 (75.5, 94.5) | 3 | 83.5±15.6 | 81.3 (75.2, 90.7) |
| SF-36 (range 0 to 100) | ||||||||||||
| Physical functioning | 27 | 46.7±24.2 | 50 (27.5, 60) | 14 | 42.5±21.6 | 42.5 (26.3, 60) | 9 | 53.9±31.3 | 50 (25, 70) | 4 | 45±14.7 | 45 (33.8, 56.3) |
| Role limitations due to physical health | 27 | 34.3±42.3 | 0 (0, 75) | 14 | 42.9±40.9 | 37.5 (0, 75) | 9 | 36.1±48.6 | 0 (0, 100) | 4 | 0±0 | 0 (0, 0) |
| Role limitations due to emotional problems | 27 | 59.3±46.5 | 100 (0, 100) | 14 | 59.5±45.6 | 83.3 (8.3, 100) | 9 | 74.1±43.4 | 100 (66.7, 100) | 4 | 25±50 | 0 (0, 25) |
| Energy/fatigue | 27 | 55±18.4 | 60 (42.5, 65) | 14 | 57.9±18.1 | 60 (46.3, 72.5) | 9 | 53.3±20.8 | 55 (45, 60) | 4 | 48.8±16.5 | 50 (37.5, 61.3) |
| Emotional well-being | 27 | 76.7±15.6 | 84 (68, 88) | 14 | 77.4±15.3 | 84 (68, 87) | 9 | 76.4±16.2 | 80 (76, 84) | 4 | 75±20 | 80 (66, 89) |
| Social functioning | 27 | 70.8±32.9 | 75 (56.3, 100) | 14 | 61.6±37.5 | 75 (31.3, 87.5) | 9 | 94.4±11 | 100 (100, 100) | 4 | 50±17.7 | 56.3 (43.8, 62.5) |
| Pain | 27 | 47.5±26.9 | 45 (27.5, 68.8) | 14 | 40.4±28.5 | 37.5 (22.5, 57.5) | 9 | 63.9±22.4 | 60 (57.5, 77.5) | 4 | 35.6±13.8 | 32.5 (30, 38.1) |
| General health | 27 | 59.4±18.1 | 60 (47.5, 72.5) | 14 | 60±18.8 | 57.5 (50, 73.8) | 9 | 58.3±21.9 | 50 (45, 75) | 4 | 60±4.1 | 60 (58.8, 61.3) |
| Physical function | ||||||||||||
| SPPB total score | 22 | 8±3.4 | 9 (7, 10) | 8 | 8.4±3.6 | 10 (8.5, 10) | 9 | 7.3±4.2 | 7 (6, 11) | 5 | 8.8±1.1 | 9 (9, 9) |
| 6MWT distance (m) | 21 | 292±103 | 304 (220, 346) | 8 | 256±93 | 240 (220, 290) | 8 | 316±138 | 332 (166, 428) | 5 | 311.2±7.6 | 310 (304, 318) |