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Table 2 Comparison of male and female in average growth pattern (comparison of groups 1 and 2)

From: Smile analysis in different facial patterns and its correlation with underlying hard tissues

Parameter Males Females Difference t value p value Significance
Mean ± SD Mean ± SD
U1 EXP. 8.65 ± 1.04 8.46 ± .85 .192 0.717 .477 NS
LL-U1 .80 ± 0.97 0.14 ± 0.22 .66 3.308 .002 S*
IL GAP 9.71 ± 1.64 8.44 ± 0.82 1.276 3.473 .001 S**
IC WIDTH 40.29 ± 2.39 39.34 ± 1.95 .952 1.544 .129 NS
TW 53.43 ± 3.88 49.66 ± 3.23 3.768 3.736 <0.001 S***
SW 67.39 ± 4.63 65.76 ± 3.42 1.632 1.419 .162 NS
SI 7.16 ± 1.50 7.87 ± 8.87 7.056 −2.02 .049 S*
BC_L 13.89 ± 1.542 13.21 ± 1.97 .68 1.358 .181 NS
BC_R 13.66 ± 2.29 12.68 ± 2.01 .98 1.610 .114 NS
PC_L 7.60 ± 2.38 7.99 ± 2.24 −.392 0.60 .552 NS
PC_R 6.82 ± 2.15 7.42 ± 1.95 −.596 1.03 .310 NS
BC RATIO 6.00 ± 5.16 5.99 ± 4.11 6.49 0.049 .961 NS
PC RATIO 7.95 ± 6.71 7.57 ± 6.07 3.832 2.116 .040 S*
U VERT 5.98 ± 1.27 5.97 ± 1.49 0.012 0.031 .976 NS
L VERT 11.20 ± 1.03 10.33 ± 1.09 .864 2.884 .006 S**
  1. NS p > 0.05: insignificant
  2. * p < 0.05, significant at 5 % significance level; ** p < 0.01, significant at 1 % significance level; *** p < 0.001, highly significant