Table 5.
Comparison of Annualized Changes (T1–T2) of Hypodivergent and Hyperdivergent Herbst Patientsa
| Measurement |
Hypodivergent |
Hyperdivergent |
Group Differences | ||
| Herbst (n = 23) |
Herbst (n = 22) |
||||
| Mean |
SD |
Mean |
SD |
P Value |
|
| SNA, °/y | −0.71 | 0.83 | −0.59 | 0.95 | .639 |
| SNB, °/y | 0.45 | 0.47 | 0.23 | 0.67 | .202 |
| ANB, °/y | −1.16 | 0.72 | −0.82 | 0.48 | .072 |
| SN-GoMe, °/y | −0.29 | 0.71 | −0.06 | 0.79 | .306 |
| Rotation, °/y | −0.67 | 0.73 | 0.37 | 0.58 | <.001 |
| Pg horizontal, mm/y | 1.16 | 0.96 | 0.00 | 1.30 | .001 |
| Pg vertical, mm/y | −2.90 | 1.84 | −3.32 | 1.80 | .443 |
| NAPg, °/y | 2.00 | 2.10 | 1.82 | 0.93 | .701 |
a
Bold indicates significant changes between T1 and T2 (P < .05). Positive increases in NAPg represent decreases in convexity.