Table 2.
ANOVA results for mean differences on DSQ domains between illness subtypes
| Constantly Improving | Relapsing & remitting | fluctuating | Persisting | Constantly getting worse | Total sample | ||
|---|---|---|---|---|---|---|---|
| Post-Exertional Malaise | 34.58 abc | 61.10 de | 68.82 af | 74.72 bd | 79.55 cef | ** | 70.05 |
| Minimum exercise makes tired | 42.50 ab | 67.77 c | 74.90 d | 80.50 a | 85.73 bcd | ** | 76.21 |
| Drained/sick after mild activity | 35.00 ab | 62.77 cd | 70.52 ef | 78.78 ace | 83.38 bdf | ** | 72.40 |
| Soreness after mild activity | 27.50 abcd | 67.93 ae | 70.80 bf | 77.30 c | 81.47 def | ** | 72.35 |
| Dead/heavy felling after exercise | 35.00 ab | 59.88 cd | 71.15 e | 76.73 ac | 83.17 bde | ** | 72.13 |
| Mentally tired after slightest effort | 31.25 abc | 56.52 d | 62.30 ae | 69.57 b | 72.91 cde | ** | 63.92 |
| Muscle weakness | 36.25 a | 52.17 b | 62.46 | 64.53 | 71.17 ab | ** | 62.76 |
| Sleep | 45.50 | 57.41 a | 59.66 b | 62.15 | 68.00 ab | ** | 60.87 |
| Unrefreshing sleep | 58.75 a | 73.33 b | 81.38 | 84.70 | 86.76 ab | ** | 81.61 |
| Problems staying a sleep | 46.25 | 59.37 | 59.09 | 60.16 | 67.48 | 60.34 | |
| Problems falling a sleep | 53.75 | 52.98 | 57.76 | 58.71 | 66.32 | 58.78 | |
| Need to nap daily | 26.25 abc | 46.94 d | 55.39 ae | 60.03 b | 67.24 cde | ** | 56.64 |
| Waking up early | 42.50 | 50.85 | 43.63 | 46.60 | 51.93 | 45.94 | |
| Neurocognitive | 47.85 | 59.37 | 60.69 a | 65.35 | 68.66 a | ** | 62.25 |
| Difficulty paying attention | 48.75 | 69.70 | 71.79 a | 78.94 | 81.54 a | ** | 73.73 |
| Problems remembering | 53.75 | 65.21 | 66.73 | 72.58 | 74.32 | * | 68.35 |
| Can only focus on one thing at a time | 48.75 | 61.41 | 62.07 a | 68.75 | 74.60 a | ** | 64.66 |
| Difficulty expressing thoughts | 56.25 | 62.22 | 60.68 | 67.51 | 68.01 | 62.85 | |
| Absent-mindedness | 52.50 | 56.66 | 59.86 | 61.75 | 66.90 | 60.84 | |
| Slowness of thought | 41.25 | 54.89 | 57.39 | 57.56 | 60.84 | 57.44 | |
| Difficulty understanding | 33.75 | 45.38 | 46.09 | 50.00 | 54.46 | * | 47.67 |
| Immune | 14.47 abcd | 32.31 a | 37.90 b | 37.59 c | 42.17 d | ** | 37.63 |
| Flu-like symptoms | 21.25 abcd | 48.36 a | 54.90 b | 55.75 c | 60.88 d | ** | 54.79 |
| Sore throat | 9.72 abcd | 33.33 a | 38.97 b | 38.00 d | 42.57 d | ** | 38.44 |
| Tender lymph nodes | 16.25 a | 31.39 | 36.55 | 40.41 a | 40.44 | * | 36.91 |
| Fever | 10.00 | 16.19 | 20.55 | 12.86 | 24.09 | * | 19.75 |
| Neuroendocrine/circulatory | 38.43 | 42.54 | 47.91 | 42.34 | 49.04 | 46.76 | |
| Cold limbs | 47.50 | 49.72 | 56.90 | 55.66 | 55.88 | 55.79 | |
| Feeling hot/cold for no reason | 52.50 | 53.53 | 56.25 | 51.43 | 57.13 | 55.42 | |
| Chills/shivers | 38.75 | 41.57 | 45.47 | 35.44 | 47.50 | 43.92 | |
| Low temperature | 15.00 | 29.34 | 33.00 | 26.50 | 35.86 | 31.89 | |
| Pain | 32.50 abc | 49.72 d | 61.99 a | 63.48 b | 69.26 cd | ** | 61.76 |
| Muscle pain | 32.50 abc | 52.77 de | 64.94 a | 68.91 bd | 73.52 ce | ** | 65.24 |
| Joint pain | 32.50 a | 47.82 b | 58.67 | 58.50 | 65.00 ab | ** | 58.23 |
| Gastrointestinal | 23.33 a | 45.08 | 47.90 | 40.23 b | 52.89 ab | ** | 46.91 |
| Irritable bowel problems | 25.00 | 50.00 | 50.85 | 40.78 a | 59.37 a | ** | 50.21 |
| Bloating | 21.25 | 46.19 | 49.02 | 42.26 | 52.25 | ** | 47.81 |
| Stomach pain | 23.75 | 38.85 | 43.88 | 37.58 | 46.91 | * | 42.67 |
| Orthostatic intolerance | 18.00 a | 35.08 | 37.29 | 34.31 | 42.41 a | ** | 37.14 |
| Unsteady on feet | 20.00 | 41.84 | 42.89 | 43.83 | 43.52 | 42.61 | |
| Dizziness/fainting | 20.00 | 37.77 | 42.00 | 42.43 | 45.29 | 41.81 | |
| Shortness of breath | 17.50 a | 37.50 | 39.90 | 34.86 b | 48.67 ab | ** | 39.97 |
| Irregular heart beats | 17.50 a | 30.27 | 34.00 | 26.66 b | 41.86 ab | ** | 33.57 |
| Chest pain | 15.00 | 27.17 | 27.17 | 23.32 | 32.79 | 27.29 |
Similar letters denote significant differences
*
p < .05
**
p< .01