Table II.
The patient characteristics, clinical findings, and outcomes in all those with a completed MRI scan. p-values refer to testing for differences between the six groups.
| Factor | Overall | Scaphoid # | Abnormal MRI | p-value | ||||
|---|---|---|---|---|---|---|---|---|
| Other # | Scaphoid contusion | Other contusion or ligamentous | Degenerative pathology | Normal MRI | ||||
| Total, n (%) | 208 | 27 (13%) | 45 (22%) | 13 (6%) | 42 (20%) | 21 (10%) | 60 (29%) | |
| Median age, yrs (IQR) | 30 (21 to 51) | 27 (17 to 24) | 41 (23 to 61) | 26 (14 to 38) | 32 (21 to 51) | 53 (32 to 65) | 27 (20 to 41) | < 0.001* |
| Sex, M:F | 106:101 | 22:5 | 22:23 | 9:4 | 20:22 | 7:14 | 26:34 | 0.005† |
| Median time from injury to ED, days (IQR) | 1 (0 to 2) | 1 (0 to 1) | 1 (0 to 2) | 1 (0.5 to 3.5) | 1 (0 to 2) | 1 (0 to 4.5) | 1 (0 to 3.75) | 0.619* |
| FOOSH, n (%) | 162 (78) | 23 (85) | 38 (84) | 11 (85) | 33 (79) | 17 (81) | 40 (67) | 0.357† |
| Sport-related, n (%) | 50 (24) | 10 (37) | 11 (24) | 10 (77) | 6 (14) | 1 (5) | 12 (20) | < 0.001† |
| Alcohol-related, n (%) | 11 (5) | 1 (4) | 2 (4) | 0 (0) | 3 (7) | 1 (5) | 4 (7) | 0.858† |
| Number of positive clinical signs out of 3, n (%) | 2 (2 to 3) | 2 (2 to 3) | 2 (1 to 3) | 3 (1 to 3) | 2 (1.75 to 3) | 3 (2 to 3) | 3 (2 to 3) | 0.098* |
| Median time to MRI, days (IQR) | 4 (2 to 7) | 5 (2 to 8) | 5 (1 to 8) | 6 (2.5 to 11) | 4 (2 to 7) | 3 (1 to 6) | 4 (2 to 8) | 0.702* |
| Discharged direct from ED, n (%) | 100 (48) | 0 (0) | 4 (9) | 4 (31) | 28 (67) | 14 (67) | 50 (83) | < 0.001† |
| Clinic review, n (%) | 104 (50) | 27 (100) | 40 (89) | 9 (69) | 12 (29) | 6 (29) | 10 (17) | < 0.001† |
| DNA follow-up, n (%) | 3 (1) | 0 (0) | 1 (2) | 0 (0) | 2 (5) | 0 (0) | 0 (0) | |
| Immobilized, n (%) | 62 (30) | 27 (100) | 26 (58) | 4 (31) | 4 (10) | 1 (5) | 0 (0) | < 0.001† |
| Cast, n (%) | 45 (22) | 27 (100) | 13 (29) | 3 (23) | 2 (5) | 0 (0) | 0 (0) | < 0.001† |
| Median period immobilized, wks (IQR) | 4 (4 to 6) | 6 (6 to 6) | 4 (4 to 4) | 5 (2.5 to 6) | 4 (3.25 to 5.5) | 4 (4 to 4) | 0 (0%) | < 0.001* |
| Therapy, n (%) | 21 (10) | 3 (11) | 8 (18) | 2 (15) | 5 (12) | 2 (10) | 1 (2) | 0.059† |
| Median total clinic appointments (IQR) | 2 (1 to 3) | 3 (2 to 4) | 1 (1 to 2) | 2 (1 to 2.5) | 1 (1 to 2) | 1 (1 to 2.5) | 1 (1 to 2) | < 0.001* |
| Imaging follow-up, n (%) | 33 (16) | 26 (97) | 4 (9) | 2 (15) | 1 (2) | 0 (0) | 0 (0) | < 0.001† |
| CT follow-up, n (%) | 23 (11) | 21 (78) | 2 (4) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | < 0.001† |
| Surgery, n (%) | 2 (1) | 2 (7) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | |
| Re-presentation, n (%) | 1 (0.5) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 1 (2) | |
| Complications, n (%) | 3 (1.5) | 2 (7) | 0 (0) | 0 (0) | 0 (0) | 1 (5) | 0 (0) | |
*
Kruskal-Wallis test.
†
Fisher's exact test.
ED, emergency department; FOOSH, fall on the outstretched hand (injury type).