Material | Microsphere Diameter µm | Relative Diameters | 95% CI, P-value | ||
Mean | +SD | ||||
OP | 0.51 | 0.13 | OP < OA | −670, −530 < 0.001 | |
OA | 1.11 | 0.33 | OP < POR | −262, −188 < 0.001 | |
POR | 0.74 | 0.14 | OA > POR | −303, −446 < 0.001 | |