Table 1: Clinical features of keloids.

Number Percentage (%) Number of keloids One keloid 19 23,2 2 to 5 keloids 43 52,4 6 to 10 keloids 10 12,2 More than 10 keloids 10 12,2 Size of keloids* 1 to 5 cm 48 58,5 6 to 10 cm 17 20,7 11 to 15 cm 11 13,4 16 to 20 cm 3 3,7 More than 20 cm 3 3,7 Duration of keloids Less than 6 months 11 13,4 6 to 12 months 18 22 13 months to 5 years 18 22 More than 5 years 35 42,7 Locations of the keloids¶ Head 19 23,2 Neck 11 13,4 Trunk† 47 57,3 Upper limbs‡ 28 34,1 Lower limbs 9 11 Family history of keloids (cases/controls) Ascendants 18/31 Progeny 2/0 Collateral 3/2 No or I don’t know 59/131

*The length of the major axis of the largest keloid of each patient. †On the trunk: presternal region = 33 cases. ‡On the upper limbs: shoulders = 10 cases. ¶Some patients had multiple locations. cm: centimeter.