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Height vs. tip positions for all subgroups
| Height | Acceptable tips | Non–acceptable (malpositioned) (%) | Non–acceptable (suboptimal) | Total (%) |
|---|---|---|---|---|
| 1a (141–150 cm) | 8 | 10 (30.3) | 15 | 33 (100) |
| 1b (151–160 cm) | 38 | 12 (17.9) | 17 | 67 (100) |
| 2a (161–170 cm) | 28 | 8 (16.7) | 12 | 48 (100) |
| 2b (171–180 cm) | 37 | 1 (1.9) | 14 | 52 (100) |
