Table 2. Distribution of patients and (root canal filled) teeth according to age and gender.

Age (years)	Gender	All patients (N)	Patients with AP (n)	All teeth (N)	Teeth with AP (n)	Teeth with AP (%)	RCF teeth (n)	RCF teeth with AP (n)	RCF teeth with AP (%)
18–29	Male	83	24	2,298	55	2.4	50	29	58.0
	Female	89	18	2,449	44	1.8	59	29	49.2
30–39	Male	50	25	1,317	50	3.8	81	41	50.6
	Female	57	29	1,496	60	4.0	98	45	45.9
40–49	Male	69	53	1,759	125	7.1	199	99	49.7
	Female	104	62	2,556	148	5.8	268	104	38.8
50–59	Male	83	61	1,900	160	8.4	251	113	45.0
	Female	146	107	3,076	258	8.4	490	203	41.4
60–69	Male	85	63	1,588	172	10.8	297	129	43.4
	Female	97	70	1,908	184	9.6	374	133	35.6
>70	Male	60	41	1,017	88	8.7	142	63	44.4
	Female	77	52	1,222	110	9.0	195	78	40.0
Total		1,000	605	22,586	1,454	6.4	2,504	1,066	42.6

AP (apical pathosis); RCF (root canal filled).