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. 2021 Jul 16;11(7):699. doi: 10.3390/life11070699

Table 4.

Clinical parameters and removal scores in different subgroups.

Mean No. Sessions ± SD No. Sessions Range Tattoo Removal Score 3 (60–80%) (n; %) Tattoo Removal Score 4 (80–100%) (n; %)
Fitzpatrick phototype:
II 4.6 ± 2.9 2–9 6 (37.5%) 10 (62.5%)
III 4.3 ± 2.5 2–8 10 (66.7%) 5 (33.3%)
IV 4.9 ± 2.3 2–9 9 (42.9%) 12 (57.1%)
Tattoo Type:
Professional:
Dark group 6.3 ± 0.9 5–8 4 (44.4%) 5 (55.6%)
Red group 6.5 ± 0.6 6–7 2 (50.0%) 2 (50.0%)
Mixed color group 7.8 ± 1.1 6–9 6 (50.0%) 6 (50.0%)
Amateur 2.3 ± 0.5 2–3 4 (44.4%) 5 (55.6%)
Medical 2.3 ± 0.5 2–3 5 (71.4%) 2 (28.6%)
Traumatic 2.6 ± 0.5 2–3 4 (57.1%) 3 (42.9%)
Cosmetic 2.3 ± 0.5 2–3 0 (0.0%) 4 (100.0%)
Tattoo location:
Face/head 2.5 ± 0.5 2–3 4 (36.4%) 7 (63.6%)
Upper trunk/shoulder 4.2 ± 2.0 2–7 10 (55.6%) 8 (44.4%)
Lower trunk/upper leg 5.7 ±2.3 3–7 2(66.7%) 1 (33.3%)
Lower arm/leg 5.3 ± 2.5 2–8 6 (50.0%) 6 (50.0%)
Wrist/hand/ankle/foot 7.0 ± 2.9 2–9 3 (37.5%) 5 (62.5%)

See Table 1 for class specifications.