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. 2024 May 21;24:586. doi: 10.1186/s12903-024-04341-3

Table 4.

Weibull distribution for study groups

Study group Weibull shape (m) Weibull scale (σ0)
Estimate SD error Lower Upper Estimate SD error Lower Upper
3u-30 8.1004 1.9104 5.1022 12.8602 1941.3454 80.6009 1789.6273 2105.9257
3u-50 8.7198 2.4182 5.0634 15.0164 2482.6101 94.0388 2304.9730 2673.9372
3u-80 7.0065 1.6713 4.3900 11.1825 2593.9967 124.3415 2361.3895 2849.5167
4u-30 6.1571 1.4992 3.8204 9.9230 1447.8626 78.7955 1301.3775 1610.8362
4u-50 6.1903 1.6206 3.7058 10.3406 1834.3256 98.4371 1651.1922 2037.7702
4u-80 6.8606 1.6253 4.3123 10.9148 1817.8877 88.8740 1651.7830 2000.6961

SD, standard