Table 6 Multivariate Poisson regression analysis of difficult-to-transfer cases in children

Year

 2018

Reference

 2019

1.07

0.93

 − 

1.22

0.93

 2020

1.01

0.87

 − 

1.17

0.17

 Injury and poisoning

Reference

 Infectious and parasitic diseases

0.10

0.06

 − 

0.17

 < 0.001

 Neoplasms

0.51

0.13

 − 

2.03

0.338

 Endocrine, nutritional, and metabolic diseases

0.33

0.14

 − 

0.79

0.013

 Mental and behavioral disorders

0.60

0.36

 − 

1.00

0.049

 Diseases of the nervous system

0.16

0.08

 − 

0.29

 < 0.001

 Diseases of the eye and the ear

0.88

0.44

 − 

1.75

0.708

 Diseases of the circulatory system

0.16

0.04

 − 

0.63

0.009

 Diseases of the respiratory system

0.08

0.05

 − 

0.13

 < 0.001

 Diseases of the digestive system

0.25

0.15

 − 

0.42

 < 0.001

 Diseases of the skin and subcutaneous tissue

0.05

0.01

 − 

0.33

0.002

 Diseases of the musculoskeletal system and connective tissue

1.53

1.13

 − 

2.08

0.006

 Diseases of the genitourinary system

1.66

1.01

 − 

2.75

0.047

 Congenital diseases

0.57

0.08

 − 

3.97

0.569

 Symptoms, signs, and abnormal clinical and laboratory findings

0.12

0.09

 − 

0.15

 < 0.001

 Male

Reference

 Female

1.20

1.07

 − 

1.35

0.002