From: Treatment duration and factors associated with the surgery-first approach: a two-center study
Predictor variables | Outcome is treatment time | Outcome is number of visits | ||
---|---|---|---|---|
Estimate (95 % CI) | p value | Estimate (95 % CI) | p value | |
Age (each 1 unit increase) | 0.02 (−0.14–0.19) | 0.78 | 0.14 (−0.04–0.32) | 0.12 |
Gender | 0.22 | 0.65 | ||
Male | 1.86 (−1.14–4.86) | 0.72 (−2.49–3.92) | ||
Female | Reference | Reference | ||
Type of malocclusion | ||||
Class I | 1.59 (−2.62–5.80) | 0.45 | −1.38 (−5.87–3.12) | 0.54 |
Class II | −5.83 (−10.92 to −0.75) | 0.02 | −4.55 (−9.98–0.87) | 0.10 |
Class III | Reference | Reference | ||
Vertical pattern | ||||
Dolicofacial | −2.95 (−6.35–0.44) | 0.44 | −1.46 (−5.08–2.16) | 0.42 |
Brachifacial | 6.53 (−1.26–14.32) | 14.32 | 5.37 (−2.95–13.69) | 0.20 |
Normofacial | Reference | Reference | ||
Transverse expansion | 0.001 | 0.009 | ||
Yes | 10.21 (4.26–16.17) | 8.64 (2.29–15.00) | ||
No | Reference | Reference | ||
Significant asymmetry | 0.99 | 0.55 | ||
Yes | 0.01 (−3.28–3.30) | −1.04 (−4.55–2.47) | ||
No | Reference | Reference | ||
3D Plan | 0.12 | 0.07 | ||
Yes | −3.44 (−7.77–0.90) | −4.25 (−8.87–0.38) | ||
No | Reference | Reference | ||
Type of surgery | 0.47 | 0.92 | ||
Two jaws | −1.10 (−4.14–1.93) | 0.16 (−3.08–3.40) | ||
One jaw | Reference | Reference | ||
Use of TADs | 0.65 | 0.33 | ||
Yes | 0.83 (−2.82–4.48) | 1.90 (−2.00–5.80) | ||
No | Reference | Reference | ||
Genioplasty | 0.79 | 0.83 | ||
Yes | 0.41 (−2.75–3.58) | −0.35 (−3.73–3.02) | ||
No | Reference | Reference | ||
Center | 0.31 | 0.03 | ||
USA | 1.95 (−1.85–5.74) | 6.36 (2.31–10.41) | ||
Colombia | Reference | Reference |