Table 7.
Residual compressible diameter according to compression depths
| Group | Compression depth | Residual compressible diameter |
||
|---|---|---|---|---|
| Mean ± SD (mm) | < 1 cm, n (%) | 1-2 cm, n (%) | ||
| Infant | 1/4 of APD | 33.6 ± 5.1 | 0 | 0 |
| 1/3 of APD | 26.4 ± 3.9 | 0 | 0 | |
| 1/2 of APD | 12.1 ± 2.2 | 10 (10.8) | 83 (89.2) | |
| 4 cm | 15.1 ± 9.0 | 35 (37.6) | 31 (33.3) | |
| Child | 1/4 of APD | 47.9 ± 7.6 | 0 | 0 |
| 1/3 of APD | 36.7 ± 6.4 | 0 | 0 | |
| 1/2 of APD | 14.4 ± 4.2 | 19 (17.3) | 81 (73.6) | |
| 4 cm | 41.5 ± 11.5 | 0 | 1 (0.9) | |
| 5 cm | 31.5 ± 11.5 | 1 (0.9) | 19 (17.3) | |
APD, anteroposterior diameter; SD, standard deviation.