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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

From: Adults’ dental treatment in 2001–2013 in Finnish public dental service

Treatment needAge categorymusdtp
In need of treatment18-39v-0.0140.006-2.4420.033*
In need of treatment40-64v-0.0040.005-0.7020.497
In need of treatment65+v-0.0110.012-0.8870.394
Prevention vs. Treatment need
 No treatment needAll0.0780.0352.1970.050
 No treatment need18-39v0.1050.0611.7220.113
 No treatment need40-64v-0.0440.087-0.5050.623
 No treatment need65+v0.1470.2080.7070.494
 In need of treatmentAll-0.0460.122-0.3740.716
 In need of treatment18-39v0.0130.1240.1050.919
 In need of treatment40-64v-0.0630.107-0.5870.569
 In need of treatment65+v-0.0040.083-0.0530.958
All treatments and age categories
 All treatmentsAll the adults0.0220.0073.1140.009**
 All treatments18-39years0.0210.0063.7460.003**
 All treatments40-64years0.0210.0072.8640.015*
 All treatments65+years0.0110.0180.6180.549
Treatment categories and all ages
 RestorativeTreatmentAll the adults-0.0030.009-0.2730.789
 ExaminationsAll the adults0.0210.0171.2180.249
 RadiologyAll the adults0.0440.0058.881<0.001***
 AnaesthesiaAll the adults0.0270.0073.6710.003**
 EmergencyTreatmentAll the adults0.0660.0511.2790.227
 PeriodontologyAll the adults0.0070.0190.3630.724
 EndodonticTreatmentAll the adults0.0300.0211.3900.192
 OralSurgeryAll the adults0.0350.0103.5710.004**
 PreventiveCareAll the adults-0.0590.016-3.7110.003**
 OtherTreatmentAll the adults0.1760.01412.374<0.001***
 ProstheticsAll the adults-0.0380.034-1.1300.282
 Treatment of TMJ disordersAll the adults0.0480.0068.046<0.001***
 OrthodonticsAll the adults-0.0490.060-0.8150.432
For the three age categories, only statistically significant treatment categories are presented.
 Examinations40-64years0.0300.0103.0830.010*
 Radiology18-39years0.0410.0057.747<0.001***
 Radiology40-64years0.0500.00411.406<0.001***
 Radiology65+years0.0700.0125.561<0.001***
 Anaesthesia18-39years0.0350.00310.902<0.001***
 Anaesthesia40-64years0.0380.0094.1740.002**
 EndodonticTreatment18-39years0.0510.0114.761<0.001***
 OralSurgery18-39years0.0440.0114.0550.002**
 PreventiveCare40-64years-0.0990.031-3.1550.009**
 PreventiveCare65+years-0.0740.019-3.9530.002**
 OtherTreatment18-39years0.1730.01313.394<0.001***
 OtherTreatment40-64years0.1830.01611.602<0.001***
 OtherTreatment65+years0.1830.0247.768<0.001***
 Treatment of TMJ disorders18-39years0.0490.00510.281<0.001***
 Treatment of TMJ disorders40-64years0.0480.0076.685<0.001***
 Treatment of TMJ disorders65+years0.0820.0089.928<0.001***