Table 1.
Incidence of diseases before and during COVID-19 and their difference
| Diseases | Before COVID-19 | During COVID-19 | P-values of difference | |||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | Variance† | |
| Cervical disc disorder | 157,468.0 | 8332.4 | 158,053.8 | 9256.8 | 0.917 | 0.139 |
| Lumbar disc disorder | 365,856.3 | 22,250.6 | 353,236.8 | 23,587.9 | 0.097 | 0.977 |
| Forward head posture | 100,857.5 | 7288.7 | 101,865.9 | 8720.7 | 0.679 | 0.215 |
| Myofascial pain syndrome | 308,056.1 | 30,384.8 | 250,665.3 | 32,462.0 | < 0.001* | 0.589 |
| Carpal tunnel syndrome | 25,432.8 | 1847.9 | 24,661.1 | 1772.2 | 0.254 | 0.952 |
| Tennis elbow | 104,105.0 | 5741.3 | 105,039.4 | 6352.0 | 0.641 | 0.726 |
| Frozen shoulder | 125,905.2 | 5736.7 | 138,692.6 | 10,798.7 | < 0.001* | 0.998 |
| Rheumatoid arthritis | 77,551.2 | 3794.5 | 77,546.9 | 3534.7 | 0.776 | 0.720 |
| Gout | 106,692.5 | 7730.2 | 111,602.8 | 6946.7 | 0.043* | 0.828 |
| Hip fracture | 15,288.6 | 787.5 | 15,051.6 | 587.7 | 0.365 | 0.227 |
| Distal radius fracture | 26,165.2 | 1908.6 | 24,960.8 | 2265.0 | 0.078 | 0.126 |
| Spine fracture | 42,182.2 | 2432.6 | 41,629.8 | 2613.4 | 0.407 | 0.113 |
Data are presented as mean and SD
*Mann–Whitney U test, significance at < 0.05
†Levene’s test in non-parametric data
COVID-19, coronavirus disease; SD, standard deviation