| Group A | Group B | A vs. B2 | ||||||
---|---|---|---|---|---|---|---|---|---|
 | Without LPO | With LPO |  | ||||||
Time | Reduction factor | Comparisons within A1 | Reduction Factor | Comparisons within B1 | Â | ||||
 |  | 1 vs. 3 | 3 vs. 5 | 5 vs. 15 |  | 1 vs. 3 | 3 vs. 5 | 5 vs. 15 |  |
[min] | Mean ± SD | p | p | p | Mean ± SD | p | p | p | p |
1 | 0.10 ± 0.90 |  |  |  | 0.13 ± 0.12 |  |  |  | 0.710 |
0.609 | 0.078 | Â | Â | Â | Â | Â | Â | Â | Â |
3 | 0.16 ± 0.15 |  |  |  | 0.78 ± 0.67 |  |  |  | 0.073 |
0.109 | 0.016 | Â | Â | Â | Â | Â | Â | Â | Â |
5 | 0.27 ± 0.17 |  |  |  | 4.01 ± 3.88 |  |  |  | 0.073 |
0.016 | 0.063 | Â | Â | Â | Â | Â | Â | Â | Â |
15 | 1.03 ± 0.60 |  |  |  | 8.12 ± 0.223 |  |  |  | < 0.001 |