Table 3.
Second injection characteristics and bivariate contrasts between successes and failures.
| Variables | Participants (N=284) N (%) | Success (N=111) N (%) | Failure (N=173)N (%) | P-value |
|---|---|---|---|---|
|
| ||||
| Age at 1st Injection (years), (SD) | 60 (11) | 61 (10) | 59 (11) | 0.09 |
|
| ||||
| Time Between 1st and 2nd Injection (days), median (range) | 217 (8–5825) | 235 (8–1939) | 210 (21–5825) | <0.05 |
|
| ||||
| Sex, Female | 183 (64%) | 79 (71%) | 104 (60%) | 0.06 |
|
| ||||
| Affected Finger | <0.05 | |||
| Thumb | 78 (28%) | 41 (37%) | 37 (21%) | |
| Index | 20 (7%) | 8 (7%) | 12 (7%) | |
| Middle | 103 (36%) | 29 (26%) | 74 (43%) | |
| Ring | 74 (26%) | 30 (27%) | 44 (25%) | |
| Small | 9 (3%) | 3 (3%) | 6 (4%) | |
|
| ||||
| Multiple Triggers, yes | 131 (46%) | 44 (40%) | 87 (50%) | 0.08 |
|
| ||||
| Diabetes Status at 1st Injection | 0.57 | |||
| None | 225 (79%) | 90 (81%) | 135 (78%) | |
| NIDDM | 39 (14%) | 12 (11%) | 27 (16%) | |
| IDDM | 20 (7%) | 9 (8%) | 11 (6%) | |
|
| ||||
| Comorbidities | ||||
| Rheumatoid Arthritis | 11 (4%) | 4 (4%) | 7 (4%) | 1.00 |
| Hypothyroidism | 37 (13%) | 17 (15%) | 20 (12%) | 0.36 |
| Carpal Tunnel Syndrome | 93 (33%) | 33 (30%) | 60 (35%) | 0.39 |
| Upper Extremity Tendonitis | 48 (17%) | 22 (20%) | 26 (15%) | 0.29 |
|
| ||||
| Green Classification at 2nd Injection (N=242) | 0.94 | |||
| Grade I | 83 (34%) | 33 (34%) | 50 (35%) | |
| Grade II | 147 (61%) | 60 (62%) | 87 (60%) | |
| Grade III | 7 (3%) | 2 (2%) | 5 (3%) | |
| Grade IV | 5 (2%) | 2 (2%) | 3 (2%) | |