Table 5.

Distribution of treatment needs among different age groups

	n	Mean	SD	SE	F	P
One surface filling (years)
15-25	65	1.6802	0.86559	0.06167	51.271	<0.001
26-35	50	1.2435	1.03026	0.03397
36-45	45	1.7789	0.77201	0.04502
46-55	35	2.0149	0.42710	0.02333
56-65	25	0.8088	0.81511	0.09885
Total	220	7.5263	3.91007	2.07337
Two surface filling (years)
15-25	54	1.0558	0.94865	0.06759	39.649	<0.001
26-35	68	0.6880	0.80900	0.02667
36-45	33	0.6769	0.84721	0.04941
46-55	43	1.5164	1.14732	0.06268
56-65	22	0.7353	0.85724	0.10396
Total	220	4.6724	4.60942	0.87443
Pulp care and restoration (years)
15-25	48	0.5838	0.82644	0.05888	16.575	<0.001
26-35	37	0.4543	0.77928	0.02569
36-45	28	0.3844	0.69510	0.04054
46-55	58	0.9463	0.90414	0.04940
56-65	49	0.6471	0.87698	0.10635
Total	220	3.0159	4.08194	0.28086
Extraction (years)
15-25	42	0.3503	0.70288	0.05008	76.351	<0.001
26-35	34	0.0902	0.33235	0.01096
36-45	26	0.0680	0.33376	0.01947
46-55	67	0.8293	0.90011	0.04918
56-65	51	0.1912	0.57969	0.07030
Total	220	1.529	2.8487	0.19999		3.00

<0.05 – Statistically significant; >0.05 – Statistically nonsignificant. n – Number of cases; F – Value of ANOVA; P – level of significance; SD – Standard deviation; SE – Standard error