Table 1. ICC of Two Methods of Marking Based on the Type of Anatomic Landmarks.
| Landmarks | ICC in Images Without Enhancement, (95% CI) | ICC in Images With Enhancement, (95% CI) | Subtraction | |||
|---|---|---|---|---|---|---|
| Xo | Yo | Xe | Ye | Xo-Xe | Yo-Ye | |
| Skeletala | ||||||
| A | 0.9496 (0.8996-0.9996) | 0.8628 (0.7958-0.9298) | 0.9021 (0.8521-0.9521) | 0.9804 (0.9134-1) | 0.0475 | -0.1176 |
| ANS | 0.5511 (0.4131-0.6891) | 0.8607 (0.6758-1) | 0.9964 (0.8584-1) | 0.9504 (0.7655-1) | -0.4453 | -0.0897 |
| Ar | 0.8805 (0.7765-0.9845) | 0.9325 (0.7931-1) | 0.9595 (0.8555-1) | 0.9245 (0.7851-1) | -0.079 | 0.008 |
| B | 0.8105 (0.7005-0.9205) | 0.9877 (0.8403-1) | 0.9599 (0.8499-1) | 0.9952 (0.8478-1) | -0.1407 | -0.0075 |
| Ba | 0.9597 (0.9177-1) | 0.8807 (0.8244-0.937) | 0.9765 (0.9345-1) | 0.9888 (0.9325-1) | -0.0168 | -0.1075 |
| Cond | 0.8847 (0.8367-0.9327) | 0.9792 (0.9149-1) | 0.6559 (0.6079-0.7039) | 0.9119 (0.8476-0.9762) | 0.2288 | 0.0673 |
| Gn | 0.9941 (0.9321-1) | 0.9702 (0.8871-1) | 0.9951 (0.9331-1) | 0.9679 (0.8848-1) | -0.001 | 0.0023 |
| Go | 0.9727 (0.9367-1) | 0.9087 (0.8605-0.9569) | 0.9777 (0.9417-1) | 0.9717 (0.9235-1) | -0.005 | -0.063 |
| Me | 0.9261 (0.8881-0.9641) | 0.9268 (0.8759-0.9777) | 0.9826 (0.9446-1) | 0.9717 (0.9208-1) | -0.0565 | -0.0449 |
| N | 0.9247 (0.8767-0.9727) | 0.9946 (0.9303-1) | 0.9951 (0.9471-1) | 0.996 (0.9317-1) | -0.0704 | -0.0014 |
| Or | 0.9421 (0.9001-0.9841) | 0.9654 (0.9091-1) | 0.7617 (0.7197-0.8037) | 0.8112 (0.7549-0.8675) | 0.1804 | 0.1542 |
| PNS | 0.9633 (0.9393-0.9873) | 0.9802 (0.948-1) | 0.9914 (0.9674-1) | 0.9597 (0.9275-0.9919) | -0.0281 | 0.0205 |
| Po | 0.9114 (0.8654-0.9574) | 0.9974 (0.9358-1) | 0.9259 (0.8799-0.9719) | 0.9977 (0.9361-1) | -0.0145 | -0.0003 |
| Pog | 0.9695 (0.9315-1) | 0.9967 (0.9458-1) | 0.9803 (0.9423-1) | 0.8364 (0.7855-0.8873) | -0.0108 | 0.1603 |
| PTM | 0.8785 (0.8305-0.9265) | 0.9822 (0.9179-1) | 0.9753 (0.9273-1) | 0.9868 (0.9225-1) | -0.0968 | -0.0046 |
| S | 0.9968 (0.9748-1) | 0.9982 (0.9687-1) | 0.9977 (0.9757-1) | 0.9989 (0.9694-1) | -0.0009 | -0.0007 |
| Soft Tissue b | ||||||
| A st | 0.9058 (0.8778-0.9338) | 0.9832 (0.9457-1) | 0.991 (0.963-1) | 0.9587 (0.9212-1) | -0.0852 | -0.0254 |
| B st | 0.9689 (0.9429-0.9949) | 0.9992 (0.9644-1) | 0.9825 (0.9565-1) | 0.9922 (0.9574-1) | -0.0136 | 0.007 |
| Gl | 0.6123 (0.5603-0.6643) | 0.9919 (0.9222-1) | 0.6142 (0.5622-0.6662) | 0.9979 (0.9282-1) | -0.0019 | -0.006 |
| Gnst | 0.9647 (0.9407-0.9887) | 0.9692 (0.937-1) | 0.9522 (0.9282-0.9762) | 0.9229 (0.8907-0.9551) | 0.0125 | 0.0463 |
| Lower lip | 0.9828 (0.9608-1) | 0.9993 (0.9698-1) | 0.9256 (0.9036-0.9476) | 0.9923 (0.9628-1) | 0.0572 | 0.007 |
| Me st | 0.7875 (0.7455-0.8295) | 0.8818 (0.8255-0.9381) | 0.9945 (0.9525-1) | 0.9637 (0.9074-1) | -0.207 | -0.0819 |
| Pog st | 0.9141 (0.8701-0.9581) | 0.993 (0.934-1) | 0.9109 (0.8669-0.9549) | 0.9173 (0.8583-0.9763) | 0.0032 | 0.757 |
| Subnasal | 0.8982 (0.8482-0.9482) | 0.9695 (0.9025-1) | 0.9905 (0.9405-1) | 0.9758 (0.9088-1) | -0.0923 | -0.0063 |
| Tip of nose | 0.9878 (0.9658-1) | 0.9902 (0.9607-1) | 0.9962 (0.9742-1) | 0.9904 (0.9609-1) | -0.0084 | -0.0002 |
| Upper lip | 0.9216 (0.8636-0.9796) | 0.9963 (0.9186-1) | 0.9919 (0.9339-1) | 0.9942 (0.9165-1) | -0.0703 | 0.0021 |
| Dental c | ||||||
| L6 mc | 0.9152 (0.8432-0.9872) | 0.9198 (0.8233-1) | 0.9773 (0.9053-1) | 0.8644 (0.7679-0.9609) | -0.062 | 0.0554 |
| L1 root | 0.9225 (0.8405-1) | 0.8683 (0.7584-0.9782) | 0.8833 (0.8013-0.9653) | 0.8336 (0.7237-0.9435) | 0.0392 | 0.0347 |
| L1 incisal | 0.8836 (0.7816-0.9856) | 0.9892 (0.8525-1) | 0.9974 (0.8954-1) | 0.9978 (0.8611-1) | -0.1138 | -0.0086 |
| U6 mc | 0.9699 (0.9379-1) | 0.9365 (0.8936-0.9794) | 0.9751 (0.9431-1) | 0.8922 (0.8493-0.9351) | -0.0052 | 0.0443 |
| U1 root | 0.8407 (0.7847-0.8967) | 0.9969 (0.9219-1) | 0.9608 (0.9048-1) | 0.9301 (0.8551-1) | -0.1201 | 0.0668 |
| U1 incisal | 0.9936 (0.9396-1) | 0.8958 (0.8234-0.9682) | 0.9982 (0.9442-1) | 0.9801 (0.9077-1) | -0.0046 | -0.0843 |
aSkeletal Landmarks, P, Porio: Most Superior Point of the External Auditory Canal; S, Sella: Center of the Hypophyseal Fossa; N, Nasion: Frontonasal Suture; Or, Orbitale: Most Inferior Point of the Infraorbital Rim; Ba, Basion: Most Anterior Point of the Foramen Magnum; PNS: Tip of the Posterior Nasal Spine; ANS: Tip of the Anterior Nasal Spine; A, A Point: Deepest Point of the Anterior Border of the Maxillary Alveolar Ridge Concavity; B, B Point: Deepest Point in the Concavity of the Anterior Border of the Mandible; Pog, Pogonion: Most Anterior Point of the Symphysis; Gn, Gnathion: Midpoint of the Symphysis Outline Between Pogonion and Menton; Me, Menton: Most Inferior Point of the Symphysis; Ar, Articulare: Point of Intersection Between the Basisphenoid and the Posterior Border of the Condylar Head; Cond, Condyle Top: Most Superior Point of the Condyle.
bSoft Tissue Landmarks, Gl, Soft Tissue Glabella: Most Anterior Point of the Soft Tissue Covering the Frontal Bone; Tip of Nose: Most Anterior Point of the Nose; Subnasal: Soft Tissue Point Where the Curvature of the Upper Lip Connects to the Floor of the Nose; A st, Soft Tissue A Point: Most Concave Point of the Upper Lip Between the Subnasale and the Upper Lip Point; Upper lip: Most Anterior Point of the Upper Lip; Lower Lip: Most Anterior Point of the Lower Lip; B st, Soft Tissue B Point: Most Concave Point of the Lower Lip Between the Chin and Lower Lip point; pog st, Soft Tissue Pogonion: Most Anterior Point of the Soft Tissue of the Chin; Gn st, Soft Tissue Gnathion: Midpoint of the Chin Soft Tissue Outline Between the Soft Tissue Pogonion and Soft Tissue Menton; Me st, Soft Tissue Menton: Most Inferiorx.
cDental Landmarks, U6 mc, U6 Mesial Cusp: Tip of the Maxillary First Molar Mesial Buccal Cusp; L6 mc, L6 Mesial Cusp: Tip of the Mandibular First Molar Mesial Buccal Cusp; Ul Incisal: Incisal Edge of Maxillary Central Incisor; Ul Root: Root Tip of the Maxillary Central Incisor; LI Incisal: Incisal Edge of Mandibular Central Incisor; LI Root: Root tip of the Mandibular Central Incisor.