Table 3.

Severe symptoms/complaints of the long COVID syndrome

Clinical Manifestations	3-6 months follow-up, N=2685	6-12 months follow-up, N=1996	P value
Weakness	56 (2%)	33 (1.7%)	0.614
Muscle pain	68 (2.5%)	38 (1.9%)	0.920
Joint pain	65 (2.5%)	45 (2.3%)	0.618
Fatigue	74 (2.8%)	43 (2.2%)	0.825
Sleep difficulty	86 (3.2%)	31 (1.6%)	0.045
Shortness of breath	44 (1.6%)	22 (1.1%)	0.408
Chest pain	13 (0.5%)	7 (0.4%)	0.971
Palpitation	16 (0.6%)	15 (0.8%)	0.294
Cough	10 (0.4%)	12 (0.6%)	0.030
Excess sputum	19 (0.7%)	10 (0.5%)	0.188
Loss of smell	21 (0.8%)	16 (0.8%)	0.136
Loss of taste	11 (0.4%)	7 (0.4%)	0.014
Sore throat	1 (0.03%)	1 (0.05%)	0.891
Headache	40 (1.5%)	22 (1.1%)	0.156
Dizziness	15 (0.6%)	7 (0.4%)	0.740
Brain fog	32 (1.2%)	13 (0.7%)	0.639
Excess sweating	35 (1.3%)	27 (1.4%)	0.185
Exercise intolerance	120 (4.5%)	49 (2.5%)	0.093
Walking intolerance	110 (4.1%)	43 (2.2%)	0.118
Diarrhea	6 (0.2%)	2 (0.1%)	0.719
Abdominal pain	11 (0.4%)	3 (0.2%)	0.309
Anorexia	11 (0.4%)	7 (0.4%)	0.881

After Bonferroni correction, the significant P value is at 0.002