TABLE II.
Patient Characteristics at the Time of Surgery
| Patient No. | Chronologic Age (yr + mo) | Skeletal Age (yr) | Sanders Stage | Menarche | Triradiate Cartilage | Curve Type | Tethered Segments |
| 1 | 12 + 2 | 13 | 5 | Yes* | Closed | Lenke 1AN | T5 to T12 |
| 2 | 11 + 11 | 13 | 2 | No | Closed | Lenke 1B- | T5 to T11 |
| 3 | 9 + 4 | 10 | 2 | No | Open | Lenke 1AN | T5 to T12 |
| 4 | 12 + 11 | 13 | 2 | No | Closed | Lenke 1AN | T6 to T12 |
| 5 | 12 + 4 | 12 | 2 | No | Open | Lenke 1A- | T6 to T12 |
Premenarchal at the time of surgical planning. Menarche for this patient occurred 5 days prior to the surgical date.