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Table 2 Poisson log linear model showing estimates of total GDM and women with GDM having CS and IOL according to hospital sizea, 2008–17

From: The impact of revised diagnostic criteria on hospital trends in gestational diabetes mellitus rates in a high income country

 

Total GDM

Women with GDM & CS

Women with GDM & IOL

B

Sig.

Exp(B)

95% CI

B

Sig.

Exp(B)

95% CI

B

Sig.

Exp(B)

95% CI

Hospital size

 Large

2.17

.000

8.74

8.54–8.95

1.88

.000

6.53

6.23–6.85

1.94

.000

6.98

6.66–7.32

 Mid-size

1.08

.000

2.94

2.86–3.02

1.04

.000

2.83

2.69–2.98

1.05

.000

2.86

2.72–3.02

 Small (Ref)

   

   

   

Year

 2008

−1.40

.000

0.25

0.24–0.26

−1.43

.000

0.24

0.22–0.26

−1.68

.000

0.19

0.17–0.21

 2009

−1.24

.000

0.29

0.28–0.30

−1.24

.000

0.29

0.27–0.32

−1.37

.000

0.25

0.23–0.28

 2010

−1.08

.000

0.34

0.33–0.35

−1.14

.000

0.32

0.29–0.35

−1.18

.000

0.31

0.28–0.34

 2011

−0.85

.000

0.43

0.41–0.45

−0.81

.000

0.44

0.41–0.48

−0.89

.000

0.41

0.38–0.44

 2012

−0.62

.000

0.54

0.52–0.56

−0.61

.000

0.54

0.50–0.58

−0.64

.000

0.53

0.49–0.57

 2013

−0.56

.000

0.57

0.55–0.59

−0.48

.000

0.62

0.58–0.66

−0.54

.000

0.60

0.56–0.64

 2014

−0.31

.000

0.73

0.71–0.76

−0.33

.000

0.72

0.67–0.77

−0.33

.000

0.72

0.68–0.77

 2015

−0.22

.000

0.81

0.78–0.83

−0.25

.000

0.78

0.73–0.84

−0.27

.000

0.76

0.72–0.81

 2016

−0.07

.000

0.94

0.91–0.96

−0.44

.160

0.96

0.90–1.02

−0.74

.190

0.93

0.87–1.00

 2017 (Ref)

   

   

   
  1. aLarge hospitals: > 7000 deliveries per annum; Mid-sized hospitals/units: 2000–6000 deliveries p.a., Small units: < 2000 deliveries p.a. (based on numbers of deliveries in 2017). Source: Hospital In-Patient Enquiry (HIPE) system 2008-2017