| . | . | Original Group . | Dermabrasion Group . | Scalp Group . | Dermabrasion + Scalp Group . | Total . |
|---|---|---|---|---|---|---|
| Objective mean scar improvement average rate after treatment | First session (40 cases) | 49% (47%-51%) | 53% (50%-56%) | 59% (58%-60%) | 64% (61%-67%) | |
| Second session (23 cases) | 68% (66%-70%) | 74% (70%-78%) | 80% (79%-81%) | 84% (82%-86%) | ||
| Cyst incidencea | 11/641 (1.72%) | 3/698 (0.43%) | 25/1666 (1.50%) | 3/1221 (0.24%) | 42/4226 (0.98%) | |
| PIH incidence | Face | 0/5 (0%) | 0/6 (0%) | 0/10 (0%) | 0/8 (0%) | 0/29 (0%) |
| Forearm | 2/6 (33%) | 2/7 (29%) | 2/9 (22%) | 3/14 (21%) | 9/36 (25%) |
| . | . | Original Group . | Dermabrasion Group . | Scalp Group . | Dermabrasion + Scalp Group . | Total . |
|---|---|---|---|---|---|---|
| Objective mean scar improvement average rate after treatment | First session (40 cases) | 49% (47%-51%) | 53% (50%-56%) | 59% (58%-60%) | 64% (61%-67%) | |
| Second session (23 cases) | 68% (66%-70%) | 74% (70%-78%) | 80% (79%-81%) | 84% (82%-86%) | ||
| Cyst incidencea | 11/641 (1.72%) | 3/698 (0.43%) | 25/1666 (1.50%) | 3/1221 (0.24%) | 42/4226 (0.98%) | |
| PIH incidence | Face | 0/5 (0%) | 0/6 (0%) | 0/10 (0%) | 0/8 (0%) | 0/29 (0%) |
| Forearm | 2/6 (33%) | 2/7 (29%) | 2/9 (22%) | 3/14 (21%) | 9/36 (25%) |
Values are mean (range) or n (%). PIH, postinflammatory hyperpigmentation.
aNumber of cysts divided by total number of microdermal grafts.
| . | . | Original Group . | Dermabrasion Group . | Scalp Group . | Dermabrasion + Scalp Group . | Total . |
|---|---|---|---|---|---|---|
| Objective mean scar improvement average rate after treatment | First session (40 cases) | 49% (47%-51%) | 53% (50%-56%) | 59% (58%-60%) | 64% (61%-67%) | |
| Second session (23 cases) | 68% (66%-70%) | 74% (70%-78%) | 80% (79%-81%) | 84% (82%-86%) | ||
| Cyst incidencea | 11/641 (1.72%) | 3/698 (0.43%) | 25/1666 (1.50%) | 3/1221 (0.24%) | 42/4226 (0.98%) | |
| PIH incidence | Face | 0/5 (0%) | 0/6 (0%) | 0/10 (0%) | 0/8 (0%) | 0/29 (0%) |
| Forearm | 2/6 (33%) | 2/7 (29%) | 2/9 (22%) | 3/14 (21%) | 9/36 (25%) |
| . | . | Original Group . | Dermabrasion Group . | Scalp Group . | Dermabrasion + Scalp Group . | Total . |
|---|---|---|---|---|---|---|
| Objective mean scar improvement average rate after treatment | First session (40 cases) | 49% (47%-51%) | 53% (50%-56%) | 59% (58%-60%) | 64% (61%-67%) | |
| Second session (23 cases) | 68% (66%-70%) | 74% (70%-78%) | 80% (79%-81%) | 84% (82%-86%) | ||
| Cyst incidencea | 11/641 (1.72%) | 3/698 (0.43%) | 25/1666 (1.50%) | 3/1221 (0.24%) | 42/4226 (0.98%) | |
| PIH incidence | Face | 0/5 (0%) | 0/6 (0%) | 0/10 (0%) | 0/8 (0%) | 0/29 (0%) |
| Forearm | 2/6 (33%) | 2/7 (29%) | 2/9 (22%) | 3/14 (21%) | 9/36 (25%) |
Values are mean (range) or n (%). PIH, postinflammatory hyperpigmentation.
aNumber of cysts divided by total number of microdermal grafts.
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