Efficacy of fractional CO2 laser in combination with stromal vascular fraction (SVF) compared with fractional CO2 laser alone in the treatment of burn scars: a randomized controlled clinical trial

Table 4 Comparison of the average amount of patient and physician global assessment score between group treated with SVF in combination with CO₂ fractional laser and group treated with CO₂ fractional laser alone

variable	group	Mean ± standard deviation	Median	p value (independent t test)	p value (exact Mann–Whitney U test)
Patient global assessment score	Treated with SVF in combination with CO₂ fractional laser	3.20 ± 0.92	3.5	0.009	0.019
Patient global assessment score	Treated with CO₂ fractional laser	2.10 ± 0.74	2	0.009	0.019
Physician global assessment score	Treated with SVF in combination with CO₂ fractional laser	3.40 ± 0.52	3	< 0.001	< 0.001
Physician global assessment score	Treated with SVF in combination with CO₂ fractional laser	2.20 ± 0.42	2	< 0.001	< 0.001

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