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. 2020 Oct 16;12(10):378–387. doi: 10.4253/wjge.v12.i10.378

Table 5.

Multiple regression analysis comparing intraoperative apnea-hypopnea index and each item (excluding preoperative apnea-hypopnea index)

Partial regression coefficient

Standardized regression coefficient


B Standard error β t P value
Intercept 34.319 8.401 0 4.09 0.0003
STOP questionnaire 3.306 1.134 0.444 2.92 0.0069
Age -0.364 0.116 -0.477 -3.13 0.0040