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The number of peripheral branches of the axillary nerve and the PCHA entering the deltoid muscle (unit: cm).
| Axillary nerve | Posterior circumflex humeral artery | |
|---|---|---|
| Mean ± SD | 9.6 ± 3.4 | 8.2 ± 2.8 |
| 0-5 (%) | 5 (17) | 4 (15) |
| 6-10 (%) | 11 (37) | 17 (65) |
| 11-15 (%) | 14 (46) | 5 (20) |
SD: standard deviation.
