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. 2022 Sep-Oct;15(5):489–492. doi: 10.5005/jp-journals-10005-2432

Table 2.

Correlation of NLA with upper incisor proclination and lip thickness

NLA U1-NA ULT
r 1 −0.583** −0.040
Significance (two-tailed) 0.000 0.668
Sum of squares and cross-products 6009.592 −2550.017 −59.183
Covariance 50.501 −21.429 −0.497
N 120 120 120

**Correlation is significant at the 0.01 level (two-tailed)