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. 2019 Dec 19;10:1509. doi: 10.3389/fphar.2019.01509

Table 3.

Correlation coefficient and standard error of selected independent variables and duration to first flatus.

Screened Variables Correlation coefficients (β) Standard error p value
Age 0.243 0.078 0.003
Gender −3.718 1.411 0.011
BMI −0.913 0.258 0.001
Surgical duration −0.017 0.018 0.339
Operative segments −4.079 1.815 0.028
Overall consumption of sufentanil 0.426 0.075 0.000

BMI, body mass index.