TABLE 4.
Factors and loadings from the exploratory factor analysis of ongoing “since then” symptoms PCA.
| Component |
||||||
| Symptom | F1 Neurological | F2 Gastrointestinal/Autoimmune | F3 Cardiopulmonary/Fatigue | F4 Dermatological/Fever | F5 Appetite Loss | F6 Mood |
| Disorientation | 0.695 | 0.323 | ||||
| Confusion | 0.651 | |||||
| Delirium | 0.639 | |||||
| Speech difficulty | 0.619 | |||||
| Altered consciousness | 0.607 | 0.316 | ||||
| Visual disturbances | 0.604 | 0.386 | ||||
| Hallucinations | 0.576 | 0.386 | 0.301 | |||
| Pins & needles | 0.561 | 0.399 | ||||
| Numbness | 0.559 | |||||
| Blurred vision | 0.531 | 0.369 | 0.348 | |||
| Head pressure | 0.501 | 0.428 | ||||
| Drowsiness | 0.490 | |||||
| Hot flushes | 0.624 | 0.306 | ||||
| Nausea | 0.608 | |||||
| Diarrhea | 0.591 | |||||
| Abdominal pain | 0.576 | 0.309 | ||||
| Headache | 0.565 | 0.301 | ||||
| Muscle/body pains | 0.563 | 0.524 | ||||
| Eye-soreness | 0.305 | 0.488 | 0.342 | |||
| Dizziness | 0.435 | 0.477 | 0.373 | |||
| Weight gain | 0.471 | −0.396 | ||||
| Acid reflux | 0.456 | |||||
| Incontinence | 0.393 | |||||
| Breathing issues | 0.793 | |||||
| Chest pain/tightness | 0.727 | |||||
| Fatigue | 0.391 | 0.619 | ||||
| Cough | 0.580 | 0.330 | ||||
| Fast/irregular pulse | 0.430 | 0.553 | ||||
| Night waking | 0.536 | |||||
| Limb weakness | 0.428 | 0.457 | 0.466 | |||
| Difficulty sleeping | 0.457 | 0.356 | 0.345 | |||
| Sore throat | 0.308 | 0.324 | 0.388 | |||
| Face/lips swelling | 0.678 | |||||
| Foot sores | 0.646 | |||||
| Itchy welts | 0.562 | |||||
| Rash | 0.303 | 0.549 | ||||
| Fever | 0.461 | |||||
| Loss of smell/taste | 0.421 | |||||
| Excess thirst | 0.305 | 0.316 | 0.390 | |||
| Vomiting | 0.321 | 0.385 | ||||
| Weight loss | 0.752 | |||||
| Loss of appetite | 0.637 | |||||
| Depression | 0.715 | |||||
| Anxiety | 0.316 | 0.683 | ||||
| Vivid dreams | 0.337 | 0.428 | ||||
The bold indicates items loading above 0.5; non bold numbers are those loading above 0.3.