Table 1

Clinical characteristics of the study population.

Parameters
Acne (n = 29)





Frequency
%

Age group in years (p < 0.01)
15 – 20
18
62.1

21 – 25
7
24.1

26 – 30
3
10.3

> 30
1
3.4
Sex (p < 0.01)
male
5
17.2

female
24
82.8
Family history (p < 0.01)
yes
23
79.3

no
6
20.7
Duration of disease in years (NS)
< 1 – 2
15
51.8

> 2 – 5
10
34.4

> 5
4
13.8
History of exposure to comedogenic agent (NS)
yes
12
41.4

no
17
58.6
History of medications known to cause acne (NS)
yes
10
34.5

no
19
65.5
Previous treatment (NS)
local
8
27.6

systemic
4
13.8

combined
7
24.1

no
10
34.5

Abd El All et al. Diagnostic Pathology 2007 2:4   doi:10.1186/1746-1596-2-4