Loading protocol | Time | Mean (ng/μl) | ± SD | Range | P value |
---|---|---|---|---|---|
Pre-loading | T1 | 0.4 | 0.86 | 0.001–4.78 | – |
T2 | 0.9 | 0.72 | 0.11–2.7 | < 0.01 | |
T3 | 0.2 | 0.31 | 0.001–1.2 | 0.03 | |
Baseline for post-loading | T3 | 0.2 | 0.31 | 0.001–1.2 | |
Post-loading | T4 | 0.5 | 0.53 | 0.12–2.12 | 0.25 |
T5 | 0.8 | 0.70 | 0.04–3.03 | < 0.01 | |
T6 | 0.3 | 0.36 | 0.015–1.42 | 0.15 | |
T7 | 0.3 | 0.35 | 0.001–1.2 | 0.15 | |
T8 | 0.2 | 0.24 | 0.01–0.93 | 0.72 |