Table 1.

Distribution of pain types and ages (n=400)

Ages	Types of pain							p
	Mechanical			Inflammatory		Mixed
	N	n	%	n	%	n	%
19 years and under	43	35	81.4	6	14.0	2	4.7	0.004
20 to 39 years	127	94	74.0	30	23.6	3	2.4
40 to 59 years	163	94	57.7	63	38.7	6	3.7
60 years and over	67	37	55.2	29	43.3	1	1.5
TOTAL	400	260	65.0	128	32.0	12	3.0