Table 4.

Assignment of factor values

Factors	Assignment
Infection	Yes = 1, No = 0.
Family history of keloid scars	Yes = 1, No = 0.
Scar size	≥2 cm = 1, <2 cm = 0.
History of smoking	Yes = 1, No = 0.
Radiotherapy	No = 1, Yes = 0.
Local hormone therapy	No = 1, Yes = 0.
Recurrence of keloid	Yes = 1, No = 0.