Table 5: Correlations (N = 43).

Bolsters

Preoperative

MAP

Postoperative

MAP

Spearman’s

Rho

Bolsters

Correlation coefficient

1.000

−0.076

−0.036

Sig. (bilateral)

0.628

0.818

Preoperative

MAP

Correlation coefficient

−0.076

1.000

0.030

Sig. (two-tailed)

0.628

0.849

Postoperative MAP

Correlation coefficient

−0.036

0.030

1.000

Sig. (two-tailed)

0.818

0.849

Spearman correlation analysis between bolster positioning and mean arterial pressure (MAP).