TABLE 3.
Predictors of SPADI Score at 18 Monthsa
| P Value for Variable | P Value for Variable Duration of Follow-upb | |
|---|---|---|
| Highest level of education | — | .004 |
| Marital status | .02 | .15 |
| Sex | .095 | .22 |
| Age | .18 | .39 |
| Duration of symptoms | .02 | .75 |
| Daily shoulder use at work | .04 | .29 |
| Tear as a result of trauma | .46 | .55 |
| Dominant shoulder affected | .79 | .84 |
| External rotation strength ratio | .18 | .60 |
| Isolated abduction strength ratio | .33 | .68 |
| Alcohol use | .007 | .77 |
| No. of comorbidities | .23 | .50 |
| Smoking | .26 | .51 |
| FABQ score | .13 | .09 |
| MHI-5 score | .065 | .75 |
| Patient expectations after treatment | .87 | .10 |
| Presence of associated biceps tendon lesion | .42 | .75 |
| Fatty infiltration | .0009 | .12 |
| Thickness of tear | — | .0002 |
| Tendon retraction | .08 | .11 |
| No. of torn tendons | .19 | .83 |
aVariables significant at P < .05 are boldfaced. FABQ, Fear-Avoidance Beliefs Questionnaire; MHI-5, Mental Health Inventory; SPADI, Shoulder Pain and Disability Index.
bIf the interaction is significant, the P value for the variable is not reported.