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Table 4 Hazard analysis for culled boars depending on the reason

From: Analysis of the lifetime and culling reasons for AI boars

Item

Parameters

Standard error

Hazard ratio

Confidence interval

LSV

0.031

0.112

3.08

1.86; 5.01

LL

1.063

0.143

10.47

5.45; 20.1

LP

0.191

0.131

4.38

2.49; 7.72

ID

1.002

0.157

10.42

5.79; 18.75

OA

0

0

1

-----

RD

−0.575

0.113

3.29

2.01; 5.38

OT

1.055

0.156

16.81

9.51; 29.73

  1. LSV low semen value, LL low or lack of libido, LP leg problems, ID infectious diseases, OA old age, RD reduced demand for semen of the given boar, OT others