Table 2.
Comparison of acne variables in case and control groups during one and three months
| Baseline | After 1 month | After 3 months | Change% p value |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | Baseline to Month1 | Baseline to Month3 | Month1 to Month3 | |
| Volume | |||||||||
| Control | 134.45 | 78.88 | 99.86 | 40.97 | – | – |
− 18.12% 0.112 |
– | – |
| Case | 131.90 | 63.04 | 84.23 | 44.41 | – | – |
− 33.87% 0.026 |
– | – |
| Area | |||||||||
| Control | 11.43 | 5.52 | 9.36 | 3.69 | – | – |
− 14.97% 0.069 |
– | – |
| Case | 12.66 | 5.68 | 8.43 | 3.87 | – | – |
− 30.03% 0.033 |
– | – |
| Depth | |||||||||
| Control | 10.86 | 1.57 | 10.14 | 0.90 | – | – |
− 5.06% 0.310 |
– | – |
| Case | 9.86 | 1.07 | 9.14 | 0.90 | – | – |
− 6.88% 0.047 |
– | – |
| Epidermal thickness | |||||||||
| Control | 67.71 | 8.69 | 78.28 | 7.91 | 83.75 | 21.03 |
+ 16.17% 0.001 |
+ 33.75% 0.158 |
+ 12.91% 0.360 |
| Case | 66.43 | 9.91 | 85.43 | 12.82 | 85.25 | 8.46 |
+ 30.24% 0.009 |
+ 41.95% 0.064 |
+ 9.50% 0.378 |
| Dermal thickness | |||||||||
| Control | 687.71 | 110.53 | 801.14 | 111.90 | 893.75 | 47.89 |
+ 17.89% 0.033 |
+ 29.59% 0.042 |
+ 10.40% 0.119 |
| Case | 629.43 | 111.49 | 965.57 | 155.36 | 981.25 | 78.57 |
+ 58.81% 0.008 |
+ 61.27% 0.002 |
+ 11.11% 0.101 |
| Complete thickness | |||||||||
| Control | 755.43 | 112.47 | 879.43 | 113.30 | 977.50 | 66.14 |
+ 17.65% 0.028 |
+ 29.75% 0.045 |
+ 29.75% 0.093 |
| Case | 695.86 | 114.65 | 1051.00 | 161.84 | 1066.50 | 71.39 |
+ 55.45% 0.007 |
+ 58.99% 0.001 |
+ 10.89% 0.101 |
p numbers based on paired t test