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Table 3 Result of multiple linear regression analysis

From: Perioperative patient safety indicators and hospital surgical volumes

 

PSI#4

PSI#9

PSI#13

Postoperative death

 

R2

p value

R2

p value

R2

p value

R2

p value

 

0.365

p < 0.01

0.129

p < 0.01

0.111

p < 0.01

0.406

p < 0.01

Valuables

Coefficient

p value

Coefficient

p value

Coefficient

p value

Coefficient

p value

Intercept

 

n.s.

 

p < 0.01

 

n.s.

 

p < 0.05

Age

0.374

p < 0.01

-0.229

p < 0.01

0.018

n.s.

0.183

p < 0.01

Charlson comorbidity index

0.160

p < 0.01

0.116

n.s.

0.106

n.s.

0.285

p < 0.01

Difficulty of surgery

-0.233

p < 0.01

-0.152

p < 0.05

0.016

n.s.

-0.437

p < 0.01

Surgical volume

-0.191

p < 0.01

0.168

p < 0.05

0.314

p < 0.01

-0.065

n.s.

  1. Multiple linear regression analysis was used for statistical analysis.