Table 3 Overview of the correlations between different variables (n = 124 patients)
From: Effects of bariatric surgery on inspiratory muscle strength
Variable 1 | Variable 2 | Correlation coefficient | P value |
|---|---|---|---|
Preoperative BMI | Preoperative MIP | r = −0.045 | p = 0.619 |
Prevalence of OSAS | Preoperative MIP | r = −0.025 | p = 0.779 |
Weight loss 3 months after surgery | MIP 3 months after surgery | r = −0.075 | p = 0.408 |
Weight loss 9 months after surgery | MIP 9 months after surgery | r = −0.187 | p = 0.072 |
Smoking | MIP preoperative MIP after 3 months MIP after 6 months MIP after 9 months | r = −0.003 r = 0.070 r = 0.054 r = 0.014 | p = 0.976 p = 0.439 p = 0.552 p = 0.877 |
Gender | Preoperative MIP | r = −0.155 | p = 0.085 |
Age | Preoperative MIP | r = −0.220 | p = 0.014 |