Table 3 Results of the Fixed Effect Parameter Estimates of Day, Operation, Phase, Operation Diagnoses, NACA, and Work Experience in Years on RMSSD

(Intercept)

2.79

< 0.001***

Reference

Day 1

Day 2

0.18

0.017*

Reference

Operation 1

Operation 2

-0.20

0.005**

Operation 3

-0.19

0.018*

Operation 4

-0.12

0.146

Operation 5

-0.34

0.004**

Operation 6

0.06

0.656

Operation 7

-0.03

0.857

Operation 8

0.22

0.373

Operation 9

-0.03

0.935

Reference

Phase 1

Phase 2

-0.12

0.026*

Phase 3

-0.30

< 0.001***

Operation Diagnoses:

Reference

Transfer

Stroke

-0.44

< 0.001***

CVD

-0.26

0.016*

Child

-0.54

< 0.001***

Trauma

-0.40

< 0.001***

Respiratory

-0.46

0.018*

Other

-0.40

< 0.001***

NACA

Life Threatening:

Reference

No

Possibly

-0.14

0.038*

Definitively

-0.18

0.009**

Reanimation

-0.70

< 0.001***

Death

-0.97

< 0.001**

Work Experience

in Years

-0.03

0.006**