Table 3 Comparison of the increased particle counts along the operation among subgroups
OC | OCE | LC | LCE | % Change between group and (p-value from pairwise comparison) | ||||
|---|---|---|---|---|---|---|---|---|
OC vs LC | OCE vs LCE | OC vs OCE | LC vs LCE | |||||
Increased particle counts along the operation (× 103 counts/m3) | ||||||||
Overall particle sizes | 14,516 (6774) | 6099 (1512) | 4461 (919) | 3015 (2128) | 69.3% (0.10) | 50.6% (0.20) | 58.0% (0.10) | 32.4% (0.40) |
Particles size < 5 µm | 14,429 (6769) | 6024 (1503) | 4400 (923) | 2971 (2142) | 69.5% (0.10) | 50.7% (0.20) | 58.3% (0.10) | 32.5% (0.40) |
Particles size ≥ 5 µm | 87 (19) | 75 (14) | 61 (4) | 44 (18) | 29.9% (0.10) | 41.3% (0.20) | 13.8% (0.40) | 27.9% (0.70) |