Table 4 Trend analysis on treatment need, on the number of treatment measures per patient in each treatment category provided for adult patients (> 17 years) and separately for the three age categories (18–39 years, 40–64 years and 65+ years) in the five PDS units. For the three separate age groups only statistically siategories are presented

In need of treatment

18-39v

-0.014

0.006

-2.442

0.033*

In need of treatment

40-64v

-0.004

0.005

-0.702

0.497

In need of treatment

65+v

-0.011

0.012

-0.887

0.394

 No treatment need

All

0.078

0.035

2.197

0.050

 No treatment need

18-39v

0.105

0.061

1.722

0.113

 No treatment need

40-64v

-0.044

0.087

-0.505

0.623

 No treatment need

65+v

0.147

0.208

0.707

0.494

 In need of treatment

All

-0.046

0.122

-0.374

0.716

 In need of treatment

18-39v

0.013

0.124

0.105

0.919

 In need of treatment

40-64v

-0.063

0.107

-0.587

0.569

 In need of treatment

65+v

-0.004

0.083

-0.053

0.958

 All treatments

All the adults

0.022

0.007

3.114

0.009**

 All treatments

18-39years

0.021

0.006

3.746

0.003**

 All treatments

40-64years

0.021

0.007

2.864

0.015*

 All treatments

65+years

0.011

0.018

0.618

0.549

 RestorativeTreatment

All the adults

-0.003

0.009

-0.273

0.789

 Examinations

All the adults

0.021

0.017

1.218

0.249

 Radiology

All the adults

0.044

0.005

8.881

<0.001***

 Anaesthesia

All the adults

0.027

0.007

3.671

0.003**

 EmergencyTreatment

All the adults

0.066

0.051

1.279

0.227

 Periodontology

All the adults

0.007

0.019

0.363

0.724

 EndodonticTreatment

All the adults

0.030

0.021

1.390

0.192

 OralSurgery

All the adults

0.035

0.010

3.571

0.004**

 PreventiveCare

All the adults

-0.059

0.016

-3.711

0.003**

 OtherTreatment

All the adults

0.176

0.014

12.374

<0.001***

 Prosthetics

All the adults

-0.038

0.034

-1.130

0.282

 Treatment of TMJ disorders

All the adults

0.048

0.006

8.046

<0.001***

 Orthodontics

All the adults

-0.049

0.060

-0.815

0.432

 Examinations

40-64years

0.030

0.010

3.083

0.010*

 Radiology

18-39years

0.041

0.005

7.747

<0.001***

 Radiology

40-64years

0.050

0.004

11.406

<0.001***

 Radiology

65+years

0.070

0.012

5.561

<0.001***

 Anaesthesia

18-39years

0.035

0.003

10.902

<0.001***

 Anaesthesia

40-64years

0.038

0.009

4.174

0.002**

 EndodonticTreatment

18-39years

0.051

0.011

4.761

<0.001***

 OralSurgery

18-39years

0.044

0.011

4.055

0.002**

 PreventiveCare

40-64years

-0.099

0.031

-3.155

0.009**

 PreventiveCare

65+years

-0.074

0.019

-3.953

0.002**

 OtherTreatment

18-39years

0.173

0.013

13.394

<0.001***

 OtherTreatment

40-64years

0.183

0.016

11.602

<0.001***

 OtherTreatment

65+years

0.183

0.024

7.768

<0.001***

 Treatment of TMJ disorders

18-39years

0.049

0.005

10.281

<0.001***

 Treatment of TMJ disorders

40-64years

0.048

0.007

6.685

<0.001***

 Treatment of TMJ disorders

65+years

0.082

0.008

9.928

<0.001***