Table 4.
Variability in POTSI and DAPI measurement
| Intraobserver | Interobserver | Interassay | ||||
|---|---|---|---|---|---|---|
| POTSI | DAPI | POTSI | DAPI | POTSI | DAPI | |
| Mean | 3.95 | 0.27 | 3.981 | 0.38 | 4.64 | 0.34 | 
| Standard deviation | 4.15 | 0.2 | 4.17 | 0.3 | 4.08 | 0.31 | 
| Variation coefficient | 4.15/27.5 (15.09%) | 0.2/3.9 (5.13%) | 4.17/27.5 (15.16%) | 0.3/3.9 (7.69%) | 4.08/27.5 (14.84%) | 0.31/3.9 (7.95%) |