Table 4. The severity of acne and type of scaring among different acne groups.
| Variables | Adolescent (n=160) | Early adult (n=80) | post-adolescent (n=100) | P-value | |
| No. (%) | |||||
| Severity | Mild | 52 (32.5) | 8 (10) | 6 (6) | <0.0001 |
| Moderate | 74 (46.25) | 36 (45) | 26 (26) | ||
| Moderately-severe | 24 (15) | 26 (32.5) | 32 (32) | ||
| Severe | 10 (6.25) | 10 (12.5) | 40 (40) | ||
| Types of scar | Pitted | 32 (20) | 30 (37.5) | 36 (36) | 0.33 |
| Rolling | 2 (1.25) | 4 (5) | 16 (16) | 0.089 | |
| Boxcar | 0 | 2 (2.5) | 2 (2) | 0.12 | |
| Mixed | 16 (10) | 10 (12.5) | 18(18) | 0.048 | |
| Total No of patients with scar | 50(31.25) | 46(57.5) | 72(72) | 0.02 | |
| Post-inflammatory hyperpigmentation and macular erythema | 42(26.25) | 24(30) | 22(22) | 0.05 | |