The clinical studies were made on 500 cases of acne vulgaris who visited to Department of Dermatology, Ewha Womans University Hospital during from January, 1978 to June, 1980.
The result were as followings;
1) Among 500 cases, 69(13.8%) were male patients, 431(66.2%) were female patients.
2) In the duration of the skin lesion from onset to be diagnosed, under 1 year was 63.0% (315 cases), and especially under 6 months was 50.4% (252 cases).
3) In the visiting frequency once was 38.40(192 cases), and in the male was 42.0% (29 cases), and female was 37.´80/0 (163 cases).
4) In the site of the skin lesion, face alone (90.0%), face and neck (3.8%), face and chest (3.2%), face and back (2.0%), and face and trunk (1.0%), were ordered.
5) In the factors affecting the severity of lesion, fatigue (26.8%), menstrual pentod (23.41,6), gastrointestinal trouble (11.8%), cosmetics (9.00), seasonal ch-anges (5.4
/0), and unknown (23.6%) were revealed.
I - 6) 309 cases having surgical treatment, 36.8,0 of once and 11.4% of twice were
i
revealed.
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