Table 5.
Associated factors with abnormal findings of shoulder ultrasonography in patients with chronic shoulder pain after breast cancer surgery.
| Odd ratio | 95% CI | P | |
|---|---|---|---|
| Age | 1.06 | 0.97, 1.15 | 0.19 |
| BMI | 0.85 | 0.71, 1.02 | 0.08 |
| Breast cancer surgery on ipsilateral side of painful shoulder | 9.12 | 3.72, 22.37 | < 0.01 |
| Surgery type (BCS vs total mastectomy) | 0.95 | 0.24, 3.76 | 0.94 |
| Duration from surgery to first symptom (> 5 years) | 1.17 | 0.30, 4.54 | 0.82 |
| LN dissection level (sentinel LN biopsy vs 1/2/3 level) | 1.6 | 0.40, 6.33 | 0.51 |
| Radiation therapy | 1.98 | 0.40, 9.77 | 0.4 |
| Neoadjuvant chemotherapy | 0.52 | 0.11, 2.57 | 0.42 |
| Adjuvant chemotherapy | 1.53 | 0.41, 5.74 | 0.53 |
| Cancer stage | 0.38 | 0.09, 1.66 | 0.20 |
| Stage 0/1 (reference) | |||
| Stage 2 | 3.57 | 0.74, 17.19 | 0.11 |
| Stage 3/4 | 1.79 | 0.35, 9.13 | 0.49 |
BCS breast conserving surgery, BMI body mass index, CI confidence interval, LN lymph node.