Table 2 Frequency of TMD subtypes/categories before and during the COVID-19 pandemic
Variables | All patients | Before COVID (BC) | During COVID (DC) | P-value |
|---|---|---|---|---|
Total | Â | Â | Â | Â |
n (%) | 838 (100) | 367 (100) | 471 (100) | Â |
Pain-related TMDs (PT) | Â | Â | Â | Â |
Arthralgia | 374 (44.6) | 161 (43.9) | 213 (45.2) | 0.696* |
Myalgia | 197 (23.5) | 60 (16.3) | 137 (29.1) | < 0.001* DC > BC |
Local myalgia | 118 (14.1) | 32 (8.7) | 86 (18.3) | < 0.001* DC > BC |
Myofascial pain | 67 (8.0) | 27 (7.4) | 40 (8.5) | 0.548* |
Myofascial pain with referral | 6 (0.7) | 1 (0.3) | 5 (1.1) | 0.239* |
Headache attributed to TMDs | 51 (6.1) | 14 (3.8) | 37 (7.9) | 0.015* DC > BC |
Number of PT conditions | Â | Â | Â | Â |
Mean (SD) | 0.74 (0.78) | 0.64 (0.71) | 0.82 (0.83) | 0.002^ DC > BC |
Median (IQR) | 1.00 (1.00) | 1.00 (1.00) | 1.00 (1.00) | |
Intra-articular TMDs (IT) | Â | Â | Â | Â |
Disc displacements (DD) | 609 (72.7) | 272 (74.1) | 337 (71.6) | 0.409* |
Disc displacement with reduction (DDwR) | 311 (37.1) | 132 (36.0) | 179 (38.0) | 0.545* |
DDwR | 253 (30.2) | 107 (29.2) | 146 (31.0) | 0.564* |
DDwR with intermittent locking | 58 (6.9) | 25 (6.8) | 33 (7.0) | 0.912* |
Disc displacement without reduction (DDw/oR) | 298 (35.6) | 140 (38.2) | 158 (33.6) | 0.167* |
DDw/oR with limited opening | 128 (15.3) | 56 (15.3) | 72 (15.3) | 0.991* |
DDw/oR without limited opening | 170 (20.3) | 84 (22.9) | 86 (18.3) | 0.098* |
Degenerative joint disease | 259 (30.9) | 89 (24.3) | 170 (36.1) | < 0.001* DC > BC |
Subluxation | 14 (1.7) | 5 (1.4) | 9 (1.9) | 0.539* |
Number of IT conditions | Â | Â | Â | Â |
Mean (SD) | 1.05 (0.56) | 1.00 (0.49) | 1.08 (0.61) | 0.022^ DC > BC |
Median (IQR) | 1.00 (0) | 1.00 (0) | 1.00 (0) | |
Total number of TMD conditions | Â | Â | Â | Â |
Mean (SD) | 1.79 (0.91) | 1.64 (0.80) | 1.91 (0.97) | < 0.001^ DC > BC |
Median (IQR) | 2.00 (1.00) | 1.00 (1.00) | 2.00 (2.00) | |
TMD categories | Â | Â | Â | Â |
Pain-related, n (%) | 113 (13.5) | 45 (12.3) | 68 (14.4) | 0.360* |
Intra-articular, n (%) | 363 (43.3) | 173 (47.1) | 190 (40.3) | 0.049* BC > DC |
Combined n (%) | 362 (43.2) | 149 (40.6) | 213 (45.2) | 0.180* |