Table 13.

Distribution of surgical keloids and other keloids (keloids caused by other causes) according to age groups G, F and G

Cause of keloid	Age group E		Age group F		Age group G		Total
	No	Yes	No	Yes	No	Yes
Surgical keloid	52	13	57	8	59	6	65
Other keloids	187	7	191	3	191	3	194
Total	239	20	248	11	250	9	259
P value (chi-square test)	0.003		0.0002		0.00002