Table 2

Melasma association with different types of nevi

Exposure

Exposure percentage

Crude odds ratios

Adjusted odds ratios




Percent in cases

Percent in controls

OR

95% CI of OR

Significance

OR

95% CI of OR

Significance


Freckle

24.3

4.16

7.41

2.6 – 22.8

S

5.9

1.5 – 23.7

S

Lentigines

64.1

16.6

9.17

4.8 – 17.7

S

5.2

1.7 – 9.3

S

Above 3 Melanocytic nevi

90.7

22.3

33.67

14.9 – 77.8

S

23

9.7 – 54.7

S

Campbell de morgan angiomas

21.8

5

5.3

2–15.08

S

3.2

0.8 – 13.5

NS

Other nevus types

4.1

6.6

.6

0.2 – 2.1

NS

0.9

0.2 – 4.9

NS

Melasma in close relatives

64.1

38.3

2.09

1.6 – 5.04

S

1.6

0.7 – 3.7

NS


S: Statistically significant. NS: Statistically non-significant

Adalatkhah et al. BMC Dermatology 2008 8:3   doi:10.1186/1471-5945-8-3

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