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Table 2 Multivariable Cox regression, separate by gender. Hazard ratios (95% confidence interval), adjusted for follow-up time

From: Socioeconomic and geographic differences in ablation of atrial fibrillation in Norway - a national cohort study

 

Model 1 (HT)

 

Model 2 (RHA)

 

Female

Male

 

Female

Male

Education

  

Education

  

Low

1.0 (ref)

1.0 (ref)

Low

1.0 (ref)

1.0 (ref)

Medium

1.31 (1.19 - 1.45)

1.28 (1.20 - 1.37)

Medium

1.32 (1.19 - 1.45)

1.29 (1.21 - 1.38)

High

1.34 (1.19 - 1.51)

1.62 (1.51 - 1.74)

High

1.36 (1.21 - 1.53)

1.67 (1.55 - 1.79)

Income

  

Income

  

Low

1.0 (ref)

1.0 (ref)

Low

1.0 (ref)

1.0 (ref)

Medium

1.20 (1.10 - 1.31)

1.54 (1.42 - 1.67)

Medium

1.20 (1.10 - 1.31)

1.54 (1.42 - 1.67)

High

1.40 (1.23 - 1.59)

1.84 (1.69 - 2.00)

High

1.37 (1.21 - 1.56)

1.82 (1.68 - 1.97)

Follow-up time (years)

  

Follow-up time (years)

 

1

1.0 (ref)

1.0 (ref)

1

1.0 (ref)

1.0 (ref)

2

0.68 (0.61 - 0.76)

0.86 (0.81 - 0.91)

2

0.68 (0.61 - 0.75)

0.85 (0.80 - 0.91)

3

0.63 (0.56 - 0.71)

0.64 (0.60 - 0.69)

3

0.63 (0.56 - 0.71)

0.64 (0.59 - 0.69)

4

0.58 (0.51 - 0.67)

0.70 (0.65 - 0.75)

4

0.58 (0.50 - 0.66)

0.70 (0.64 - 0.75)

5

0.68 (0.59 - 0.79)

0.62 (0.56 - 0.68)

5

0.68 (0.58 - 0.79)

0.62 (0.56 - 0.67)

6

0.73 (0.61 - 0.86)

0.63 (0.57 - 0.70)

6

0.73 (0.61 - 0.87)

0.63 (0.57 - 0.70)

7

0.85 (0.71 - 1.03)

0.63 (0.56 - 0.71)

7

0.86 (0.71 - 1.03)

0.63 (0.56 - 0.71)

8

0.63 (0.49 - 0.82)

0.62 (0.53 - 0.71)

8

0.64 (0.49 - 0.82)

0.62 (0.53 - 0.72)

9

0.62 (0.45 - 0.86)

0.59 (0.49 - 0.71)

9

0.63 (0.45 - 0.86)

0.59 (0.49 - 0.71)

10 or more

0.37 (0.21 - 0.66)

0.33 (0.24 - 0.46)

10 or more

0.37 (0.21 - 0.66)

0.33 (0.24 - 0.46)

Hospital referral area (HT)

  

Regional referral area (RHA)

 

Finnmark (N)

0.39 (0.23 - 0.66)

0.62 (0.48 - 0.80)

North

0.61 (0.52 - 0.72)

0.83 (0.76 - 0.90)

UNN (N)

0.52 (0.39 - 0.69)

0.81 (0.70 - 0.94)

Central

1.43 (1.29 - 1.59)

1.52 (1.43 - 1.62)

Nordland (N)

0.45 (0.32 - 0.63)

0.82 (0.70 - 0.97)

West

0.79 (0.72 - 0.87)

1.01 (0.95 - 1.07)

Helgeland (N)

0.73 (0.53 - 1.00)

0.80 (0.66 - 0.97)

South-East

1.0 (ref)

1.0 (ref)

Nord-Trøndelag (C)

0.86 (0.66 - 1.12)

1.14 (0.98 - 1.32)

   

St. Olavs (C)

1.50 (1.26 - 1.78)

1.78 (1.61 - 1.97)

   

Møre-Romsdal (C)

1.19 (0.99 - 1.44)

1.24 (1.10 - 1.39)

   

Førde (W)

0.81 (0.60 - 1.10)

0.83 (0.70 - 1.00)

   

Bergen (W)

1.09 (0.92 - 1.29)

1.27 (1.15 - 1.40)

   

Fonna (W)

1.18 (0.96 - 1.47)

1.29 (1.13 - 1.46)

   

Stavanger (W)

0.38 (0.32 - 0.46)

0.65 (0.58 - 0.72)

   

Østfold (SE)

0.84 (0.69 - 1.02)

0.95 (0.85 - 1.07)

   

Akershus (SE)

0.81 (0.69 - 0.96)

0.94 (0.85 - 1.04)

   

OUS (SE)

0.90 (0.73 - 1.10)

1.00 (0.89 - 1.13)

   

Lovisenberg (SE)

0.97 (0.71 - 1.32)

0.90 (0.73 - 1.10)

   

Diakonhjemmet (SE)

0.91 (0.70 - 1.17)

1.02 (0.88 - 1.18)

   

Innlandet (SE)

0.67 (0.56 - 0.81)

0.80 (0.71 - 0.89)

   

Vestre Viken (SE)

1.0 (ref)

1.0 (ref)

   

Vestfold (SE)

0.78 (0.64 - 0.95)

0.87 (0.77 - 0.99)

   

Telemark (SE)

1.05 (0.86 - 1.29)

1.13 (1.00 - 1.28)

   

Sørlandet (SE)

0.90 (0.74 - 1.08)

0.98 (0.87 - 1.10)

   

Interactions with attained age (p-values)

  

Interactions with attained age (p-values)

Education

<0.001

<0.001

Education

<0.001

0.001

Income

0.53

0.17

Income

0.85

0.06

Area (HT)

<0.001

0.50

Area (RHA)

<0.001

0.25