Table 3 Results of the Poisson models for total population and stratified by gender and age group (Germany, 2005–2022). Relative risk of OS (95% confidence interval). * p-value < 0.05; a baseline: gender: female, age:35–59 years; b baseline: age:35–59 years.

From: Epidemiologic trends and increasing inequalities in orthognathic surgery in Germany: a nationwide analysis 2005–2022

Population

Total

Age group

0–14

15–34

35–59

60–79

80+

All

 Calendar year

1.025

(1.024–1.025)*

0.971

(0.968–0.974)*

1.026

(1.025–1.026)*

1.024

(1.023–1.025)*

1.006

(1.003–1.009)*

0.981

(0.962–0.999)*

 Gendera

0.666

(0.664–0.668)*

0.752

(0.729–0.776)*

0.702

(0.699–0.704)*

0.536

(0.532–0.540)*

1.035

(1.000–1.072)*

1.653

(1.356–2.014)*

 Age group

 

0.123

(0.121–0.125)*

5.521

(5.501–5.542)*

1.000a

0.060

(0.059–0.062)*

0.006

(0.006–0.007)*

Males

 Calendar year

1.030

(1.030–1.031)*

0.969

(0.964–0.973)*

1.031

(1.031–1.032)*

1.031

(1.030–1.032)*

0.988

(0.983–0.993)*

1.018

(0.989–1.048)

 Age group

 

0.151

(0.148–0.155)*

6.509*

(6.469–6.549)*

1.000b

0.089

(0.087–0.091)*

0.013

(0.011–0.015)*

Females

 Calendar year

1.021 (1.020–1.021)*

0.973

(0.969–0.977)*

1.021

(1.021–1.022)*

1.020

(1.020–1.021)*

1.023

(1.018–1.028)*

0.950

(0.926–0.975)*

 Age group

 

0.108 (0.106–0.110)*

4.976

(4.953–4.999)*

1.000b

0.046 (0.045–0.047)*

0.004 (0.004–0.005)*

Procedures in the maxilla

 Calendar year

1.034 (1.034–1.035)*

0.992

(0.988–0.995)*

1.034

(1.034–1.035)*

1.039

(1.038–1.040)*

1.032

(1.026–1.038)*

0.968

(0.933–1.004)*

 Gendera

0.756

(0.752–0.759)*

0.778

(0.749–0.807)*

0.795

(0.790–0.799)*

0.608

(0.601–0.614)*

0.883

(0.832–0.938)*

4.088

(2.719–6.148)*

 Age group

 

0.215

(0.211–0.219)*

6.352*

(6.314–6.390)*

1.000a

0.053

(0.051–0.059)*

0.005

(0.004–0.006)*

Procedures in the mandible

 Calendar year

1.017 (1.017–1.017)*

0.935

(0.930–0.939)*

1.019

(1.018–1.019)*

1.014

(1.014–1.015)*

0.994

(0.990–0.998)*

0.942

(0.920–0.965)*

 Gendera

0.604

(0.601–0.606)*

0.715

(0.678–0.753)*

0.634

(0.631–0.637)*

0.497

(0.493–0.501)*

1.098

(1.052–1.145)*

1.557

(1.214–1.998)*

 Age group

 

0.069 (0.067–0.070)*

4.995

(4.971–5.019)*

1.000a

0.066 (0.064–0.067)*

0.007 (0.006–0.007)*

Back to article page