Table 4.
Frequencies and percentages of pediatric dermatosis
| Variable** | Primary school n (%) |
Secondary school n (%) |
Total* (%) |
|---|---|---|---|
| Dermatitis: | |||
| Atopic dermatitis | 64 (4.7) | 12 (1.8) | 3.9 |
| Contact dermatitis | 9 (0.7) | 6 (1.1) | 0.7 |
| Seborrhoeic dermatitis | 14 (1.0) | 10 (1.8) | 1.2 |
| Nummular dermatitis | 0 (0.0) | 2 (0.4) | 0.1 |
| Pityriasis alba | 76 (5.5) | 25 (4.4) | 5.2 |
| Viral infections: | |||
| Warts | 40 (2.9) | 11 (1.9) | 2.6 |
| Herpes simplex | 16 (1.2) | 5 (0.9) | 1.1 |
| Fungal infections: | |||
| Tinea pedis | 12 (0.9) | 6 (1.1) | 0.9 |
| Tinea corporis | 6 (0.4) | 8 (1.4) | 0.7 |
| Tinea unguium | 7 (0.5) | 5 (0.9) | 0.6 |
| Pigmentation disorders: | |||
| Café au lait | 32 (2.3) | 20 (3.5) | 2.7 |
| Freckles | 64 (4.6) | 20 (3.5) | 4.3 |
| Leukoderma | 10 (0.7) | 3 (0.5) | 0.7 |
| Vitiligo | 4 (0.3) | 2 (0.4) | 0.4 |
| Albinism | 1 (0.1) | 0.0 | 0.1 |
| Post-inflammatory hypopigmentation | 214 (15.4) | 37 (6.5) | 12.8 |
| Post-inflammatory hyperpigmentation | 90 (6.5) | 24 (4.2) | 5.8 |
| Hair disorders: | |||
| Alopecia areata | 3 (0.2) | 0.0 | 0.2 |
| Hypertrichosis | 4 (0.3) | 3 (0.5) | 0.4 |
| Sebaceous gland disorders: | |||
| Acne | 15 (1.1) | 103 (5.3) | 6.0 |
| Papulosquamous diseases: | |||
| Psoriasis | 3 (0.2) | 3 (0.5) | 0.3 |
| Lichen nitidus | 32 (2.3) | 5 (0.9) | 1.9 |
| Sweat gland disorders: | |||
| Miliaria | 1 (0.1) | 5 (0.9) | 0.3 |
| Benign neoplasms and hyperplasia: | |||
| Milia | 22 (1.6) | 7 (1.2) | 1.5 |
| Congenital melanocytic nevus | 39 (2.8) | 41 (7.2) | 4.1 |
| Hemangioma | 18 (2.0) | 2 (0.4) | 1.0 |
| Acquired melanocytic nevus | 973 (70.2) | 297 (52.0) | 64.9 |
| Spitz nevus | 1 (0.1) | 0.0 | 0.1 |
| Nevus flammeus | 2 (0.1) | 0.0 | 0.1 |
| Becker nevus | 2 (0.1) | 1 (0.2) | 0.2 |
| Mongolian spot | 2 (0.1) | 0.0 | 0.1 |
| Scar | 41 (3.0) | 29 (5.1) | 3.6 |
| Keloid | 6 (0.4) | 0.0 | 0.3 |
| Other | 0 | 2 (0.4) | 0.1 |
| Nail dystrophy | 20 (1.4) | 3 (0.5) | 1.2 |
| Unclassified other group diseases: | |||
| Keratosis pilaris | 66 (4.8) | 22 (3.9) | 4.5 |
| Xerosis | 91 (6.6) | 23 (4.0) | 5.8 |
| Xeroderma | 2 (0.1) | 1 (0.2) | 0.2 |
| Pityriasis capitis simplex | 2 (0.1) | 6 (1.1) | 0.4 |
| Striae distensae | 1 (0.1) | 5 (0.9) | 0.3 |
| Ecchymosis | 24 (1.7) | 1 (0.2) | 1.3 |
| Insect bite | 21 (1.5) | 0.0 | 1.1 |
| Telangiectasia | 30 (2.2) | 12 (2.1) | 2.1 |
| Livedo reticularis | 69 (5.0) | 18 (3.2) | 4.4 |
| At least one skin finding | 1142 (82.4) | 423 (74.1) | 79.90 |
| Non-cutaneous manifestations | 244 (17.6) | 148 (25.9) | 20.10 |
| Total | 1386 (100) | 571 (100) | 100.00 |
*
Column percentage is taken
**
more than one diagnoses is defined.