Table 3. Treatment, efficacy, and satisfaction.
| Variables | Picosecond group (n=22) | Non-ablative group (n=22) | P value |
|---|---|---|---|
| PRIMOS score | |||
| Sa before treatment | 66.99±35.46 | 56.60±24.80 | 0.316 |
| Sa after treatment | 48.96±20.85 | 59.12±32.20 | 0.132 |
| P value | 0.041 | 0.785 | |
| Sq before treatment | 154.76±128.38 | 123.90±96.80 | 0.419 |
| Sq after treatment | 97.31±84.80 | 117.16±108.00 | 0.358 |
| P value | 0.020 | 0.519 | |
| Patient satisfaction | |||
| Satisfaction with pore | 2.86±0.91 | 1.81±0.81 | 0.001 |
| Satisfaction with acne scar | 2.93±0.88 | 2.39±0.75 | 0.009 |
| Satisfaction with safety | 3.55±0.70 | 3.39±0.78 | 0.137 |
Note: PRIMOS, phaseshift rapid in vivo measurement of skin. Sa, the arithmetic average of the heights of each point within the area of the test. Sq, the average root of the average square of the height of each point within the area of the test.