Table 2.
Meets CCC | Does Not Meet CCC | Sig | |
---|---|---|---|
M (SD) | M (SD) | ||
Symptoms that get worse after physical or mental activities (also known as post-exertional malaise) | 79.08 (16.76) | 56.67 (27.44) | ** |
Fatigue/extreme tiredness | 78.09 (14.24) | 58.06 (22.26) | ** |
Difficulty thinking and/or concentrating | 66.45 (18.75) | 39.54 (22.92) | ** |
Sleep problems | 60.20 (26.20) | 45.28 (26.40) | ** |
Muscle aches | 58.49 (25.25) | 37.59 (27.80) | ** |
Memory loss | 58.36 (22.05) | 29.81 (22.80) | ** |
Bone and/or joint pain | 53.55 (27.44) | 35.28 (29.45) | ** |
Headache | 52.37 (24.25) | 38.15 (20.05) | ** |
Feeling faint, dizzy, and/or difficulty thinking soon after standing up from a sitting or lying position | 49.93 (27.44) | 30.00 (22.35) | ** |
Changes in desire for, comfort with or capacity for sex | 51.91 (34.68) | 30.06 (33.96) | ** |
Stress | 50.92 (25.80) | 38.42 (24.70) | ** |
Vision problems (blurry, light sensitivity, difficult reading or focusing, floaters, flashing light) | 47.17 (26.84) | 31.20 (26.93) | ** |
Gastrointestinal (belly) symptoms (pain, feeling full or vomiting after eating, nausea, diarrhea, constipation) | 47.50 (28.53) | 36.39 (26.29) | ** |
Palpitations, racing heart, arrhythmia, and/or skipped beats | 41.71 (26.79) | 30.19 (23.48) | ** |
Nerve problems (tremor, shaking, abnormal movements, numbness, tingling, burning, can’t move part of body, new seizures) | 45.26 (29.22) | 26.20 (26.71) | ** |
Anxiety | 40.59 (30.20) | 32.22 (25.48) | ** |
Shortness of breath and/or trouble breathing | 41.64 (23.25) | 29.44 (26.21) | ** |
Heavy legs and/or swelling of leg | 37.76 (29.46) | 22.50 (28.81) | ** |
Problems with hearing (hearing loss, ringing in ears) | 40.53 (32.92) | 29.44 (30.41) | * |
Depression | 37.17 (30.28) | 26.57 (24.50) | ** |
Nose congestion | 34.93 (25.67) | 24.44 (23.25) | ** |
Fever, chills, and/or sweating | 34.54 (26.23) | 23.98 (24.29) | ** |
Dry eyes | 35.39 (31.08) | 21.67 (25.93) | ** |
Change in blood pressure | 32.76 (30.79) | 21.11 (24.79) | ** |
Pins and needles feeling | 32.17 (26.83) | 17.87 (22.37) | ** |
Chest pain | 29.93 (23.24) | 20.65 (23.67) | ** |
Dry skin/peeling | 28.62 (29.03) | 17.41 (24.05) | ** |
Loss of or change in smell and/or taste | 24.41 (31.90) | 14.72 (25.82) | * |
Bladder problems (incontinence, trouble passing urine or emptying bladder) | 24.93 (27.32) | 11.76 (20.87) | ** |
Sore throat | 21.84 (20.29) | 16.48 (19.05) | * |
Color changes in your skin such as red, white or purple | 23.36 (26.88) | 11.57 (20.18) | ** |
Skin rash | 23.03 (28.28) | 11.94 (20.37) | ** |
Sore tongue, mouth, and/or difficulty swallowing | 22.17 (25.02) | 13.80 (20.73) | * |
Gynecological symptoms (e.g., change in menstruation or menopause) | 22.96 (32.35) | 13.33 (24.40) | * |
Loss of hair | 24.74 (29.09) | 17.50 (24.82) | * |
Cough | 20.92 (22.64) | 18.43 (22.69) | |
Ear pain | 19.34 (24.69) | 11.48 (16.24) | ** |
Weight loss | 9.54 (20.13) | 10.00 (21.48) |
* p < 0.05, ** p < 0.01. Note symptoms are arranged in descending order of means for the group meeting CCC criteria. Variables duration, sex, and region are covariates.