Table 2.

Correlation between prevalence of Achilles and plantar spurs in men and women with increasing age

Age	Male		Female
	r	P	r	P
0 to 9	0.00	0.02	0.00	0.04
10 to 19	0.00	0.04	0.00	0.01
20 to 29	-0.03	0.02	0.71	0.01
30 to 39	0.15	0.01	0.51	0.03
40 to 49	0.33	0.04	0.43	0.04
50 to 59	0.38	0.01	0.38	0.02
60 to 69	0.36	0.02	0.36	0.01
70 to 79	0.35	0.00	0.36	0.00
80 +	0.29	0.02	0.34	0.01

Note there is a moderate positive correlation (r = 0.71) for women <30 years of age and fair >30 years old (0.30 < r > 0.59). Yet, in men there was only a weak positive correlation up to 40 years old (r < 0.15) and fair correlation in those >50 years old (0.30 < r < 0.38).