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Table 8 Correlation and regression statistics for individual parameters and indexes of sacral morphometric against stature in validation analysis (Lai et al. 2020)

From: Stature estimation study based on pelvic and sacral morphometric among Malaysian population

No N Regression formula SEE R value R square Mean Abs deviation MSE AWR (%)
P1S 297 131.903 + 2.711(P1S) 8.714 0.178* 0.032* 6.759 64.648 75.00
P2S 305 152.298 + 1.900(P2S) 9.305 0.143* 0.020* 6.550 62.834 76.79
P3S 299 126.885 + 11.304(P3S) 8.488 0.393* 0.154* 4.988 40.279 87.50
P4S 305 155.764 + 1.794(P4S) 9.373 − 0.078 0.006 6.815 67.296 71.43
P4S’ 304 153.663 + 2.500(P4S’) 9.342 − 0.109 0.012 6.920 68.399 71.43
P5S 305 125.401 + 3.531(P5S) 8.739 0.369* 0.136* 7.185 72.318 71.43
P6S 305 115.031 + 8.504(P6S) 7.973 0.530* 0.281* 5.719 48.094 78.57
P6S’ 305 114.619 + 8.480(P6S’) 7.813 0.556* 0.309* 5.210 39.879 78.57
P7S 296 141.601 + 3.813(P7S) 8.890 0.231* 0.054* 6.596 61.576 76.79
P7S’ 296 142.825 + 3.612(P7S’) 8.908 0.213* 0.045* 6.515 61.074 78.57
I1S 293 185.969 − 0.224(I1S) 8.656 − 0.235* 0.055* 7.064 71.343 67.86
I2S 297 161.977 − 0.004(I2S) 8.855 − 0.003 0.000 6.777 67.042 67.86
I3S 297 138.759 + 0.353(I3S) 8.955 0.252* 0.064* 6.118 57.711 80.36
I4S 299 162.858 − 0.022(I4S) 9.463 − 0.033 0.001 6.669 65.328 75.00
I5S 297 127.861 + 0.679(I5S) 8.081 0.409* 0.167* 5.823 50.828 82.14
I6S 290 169.042 − 0.126(I6S) 9.095 − 0.118* 0.014* 6.536 62.600 75.00
  1. Unit in centimetre (cm)
  2. SEE represents the standard error of estimation for the generated regression formula; R value represents the Pearson correlation coefficient; MSE represents mean squared error; AWR represents the accuracy percentage of estimated stature within SEE range compared to actual stature
  3. Strong correlation results are in bold
  4. *p < 0.05
  5. ’Left side of the measurement.