Possible causes and location of cellulitis
| Admitted (n=206) | Non-admitted (n=96) | ||
| Possible source | |||
| Unknown | 76 (36.9) | 30 (31.2) | p=0.339 |
| Skin sore | 17 (8.3) | 0 (0) | p=0.004 |
| Trauma | 45 (21.8) | 15 (15.6) | p=0.207 |
| Insect bite | 31 (15.0) | 35 (36.5) | p<0.001 |
| Lymphoedema | 1 (0.5) | 0 (0) | – |
| Other* | 36 (17.5) | 16 (16.7) | p=0.862 |
| Location† | |||
| Face | 56 (27.2) | 5 (5.2) | p<0.001 |
| Head and neck | 9 (4.4) | 3 (3.1) | p=0.758 |
| Upper limbs | 14 (6.8) | 13 (13.5) | p=0.056 |
| Torso | 8 (3.9) | 7 (7.3) | p=0.255 |
| Groin and buttocks | 11 (5.3) | 16 (16.7) | p=0.001 |
| Lower limbs | 54 (26.2) | 21 (21.9) | p=0.416 |
| Extremities | 76 (36.9) | 43 (44.8) | p=0.191 |
Values are n (%).
*Other includes animal bite, recent injection site, rash, wound or foreign body infection and sinusitis.
†Some cases involved infection of multiple sites.