Table 2 Item statistics of the ASTA Symptom scale and ASTA Health-Related Quality-of-Life scale
ASTA scales and items | Mdn (Q1;Q3) | Item score distribution, n (%) | ||||
|---|---|---|---|---|---|---|
No (0) | Yes, to a certain extent (1) | Yes, quite a lot (2) | Yes, a lot (3) | Missing | ||
ASTA Symptom scale (n = 200) | ||||||
1 Breathlessness during activity | 1 (0;2) | 59 (29.5) | 64 (32.0) | 29 (14.5) | 46 (23.0) | 2 (1.0) |
2 Breathlessness even at rest | 0 (0;1) | 118 (59.0) | 62 (31.0) | 7 (3.5) | 12 (6.0) | 1 (0.5) |
3 Dizziness | 1 (0;1) | 93 (46.5) | 79 (39.5) | 17 (8.5) | 11 (5.5) | – |
4 Cold sweats | 0 (0;1) | 149 (74.5) | 35 (17.5) | 10 (5.0) | 6 (3.0) | – |
5 Weakness/fatigue | 1 (0;2) | 58 (29.0) | 77 (38.5) | 31 (15.5) | 34 (17.0 | – |
6 Tiredness | 1 (0;2) | 52 (26.0) | 69 (34.5) | 40 (20.0) | 39 (19.5) | – |
7 Chest pain | 0 (0;0) | 153 (76.5) | 41 (20.5) | 4 (2.0) | 2 (1.0) | – |
8 Pressure/discomfort in chest | 0 (0;1) | 125 (62.5) | 61 (30.5) | 9 (4.5) | 5 (2.5) | – |
9 Worry/anxiety | 1 (0;1) | 68 (34.0) | 95 (47.5) | 18 (9.0) | 19 (9.5) | – |
ASTA Health-Related Quality-of-Life scale (n = 202) | ||||||
1 Feel unable to work, study or carry out daily activities | 0 (0;1) | 103 (51.0) | 62 (30.7) | 19 (9.4) | 18 (8.9) | – |
2 Spend less time with family/relatives and friends | 0 (0;0) | 157 (77.7) | 32 (15.8) | 9 (4.5) | 4 (2.0) | – |
3 Spend less time with acquaintances | 0 (0;0) | 152 (75.3) | 39 (19.3) | 7 (3.5) | 4 (2.0) | – |
4 Avoid planning things you would like to do | 0 (0;1) | 116 (57.4) | 54 (26.7) | 13 (6.4) | 19 (9.4) | – |
5 Impaired physical ability | 1 (0;1) | 78 (38.6) | 74 (36.6) | 27 (13.4) | 23 (11.4) | – |
6 Impaired ability to concentrate | 0 (0;1) | 137 (67.8) | 48 (23.8) | 12 (5.9) | 5 (2.5) | – |
7 Feel dejected or sad | 0 (0; 1) | 120 (59.4) | 57 (28.2) | 16 (7.9) | 9 (4.5) | – |
8 Feel irritated or angry | 0 (0;1) | 128 (63.4) | 54 (26.7) | 11 (5.5) | 9 (4.5) | – |
9 Experience sleep problems | 0 (0;1) | 112 (55.5) | 66 (32.7) | 19 (9.4) | 5 (2.5) | – |
10 Negatively affected sexual life | 0 (0;1) | 144 (71.3) | 33 (16.3) | 9 (4.5) | 15 (7.4) | 1 (0.5) |
11 Afraid of dying | 0 (0;1) | 127 (62.9) | 63 (31.2) | 8 (4.0) | 4 (2.0) | – |
12 Deteriorated life situation | 1 (0;1) | 100 (49.5) | 70 (34.7) | 17 (8.4) | 14 (6.9) | 1 (0.5) |
13 Feel worried that symptoms will re-occur during arrhythmia-free periods | 1 (0;1) | 88 (43.6) | 84 (41.6) | 17 (8.4) | 13 (6.4) | – |