Skip to main content
. 2022 Dec 24;38(1):20. doi: 10.1007/s10103-022-03677-y

Table 3.

Comparison between the three studied groups regarding qualitative grading before and 6 months after treatment and the improvement of qualitative grading 6 months after treatment

Qualitative grading Group 1 (filler side) Group 2 (fractional laser side) Group 3 (subcision) Test value p value
Before Grade I 0 (0.0%) 0 (0.0%) 0 (0.0%) 0.857* 0.931
Grade II 2 (10.0%) 1 (5.0%) 1 (5.0%)
Grade III 10 (50.0%) 9 (45.0%) 9 (45.0%)
Grade IV 8 (40.0%) 10 (50.0%) 10 (50.0%)
After 6 m Grade I 0 (0.0%) 4 (20.0%) 1 (5.0%) 25.050* 0.000
Grade II 18 (90.0%) 15 (75.0%) 7 (35.0%)
Grade III 2 (10.0%) 1 (5.0%) 11 (55.0%)
Grade IV 0 (0.0%) 0 (0.0%) 1 (5.0%)

Qualitative grading

Improvement after 6 months

Poor 3 (15.0%) 1 (5.0%) 8 (40.0%) 10.671* 0.031
Good 11 (55.0%) 9 (45.0%) 9 (45.0%)
Excellent 6 (30.0%) 10 (50.0%) 3 (15.0%)
Chi-square test X2 26.133 32.650 13.064
p value  < 0.001  < 0.001 0.005

p value > 0.05: non-significant; p value < 0.05: significant; p value < 0.01: highly significant

*Chi-square test