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| Mech‐ anism | Norm‐ osmic, n = 102 (%) | Acute OD, n = 101 (%) | Chronic OD, n = 33 (%) | All, n = 236 (%) | χ2 test for associa‐ tion |
|---|---|---|---|---|---|
| Fall | 42 (41) | 62 (61) | 23 (70) | 128 (54) | p = 0.0001 |
| Assault | 38 (37) | 13 (13) | 2 (6) | 53 (22) | |
| RTA | 16 (16) | 20 (20) | 5 (15) | 41 (17) | |
| Other | 6 (6) | 6 (6) | 3 (9) | 14 (6) |
RTA, road traffic accident.
