Qualitative comparison of cytocentrifugation and Cytyc Thinprep methods (0–3 scale, paired series)
| Criteria tested | N | Cytocentrifugation | Cytyc Thinprep LBC | p Value |
|---|---|---|---|---|
| Values are mean (SD). | ||||
| LBC, liquid based cytology; NS, not significant; RBC, red blood cells. | ||||
| TPX reusable chamber | 44 | |||
| Cellularity | 1.42 (0.65) | 1.68 (0.58) | <0.001 | |
| Fixation | 1.87 (0.70) | 2.38 (0.52) | <0.00001 | |
| RBC | 0.22 (0.39) | 0.05 (0.15) | <0.001 | |
| Leucocytes | 0.31 (0.38) | 0.51 (0.49) | <0.02 | |
| Cell groups | 0.36 (0.64) | 0.40 (0.62) | NS | |
| Atypias | 0.69 (1.39) | 0.77 (1.57) | NS | |
| Positive (%) | 6/44 (13.6%) | 6/44 (13.6%) | NS | |
| Disposable Cytofunnel | 90 | |||
| Cellularity | 1.79 (0.43) | 1.56 (0.48) | <0.01 | |
| Fixation | 2.12 (0.63) | 2.54 (0.44) | <0.0001 | |
| RBC | 0.45 (0.46) | 0.06 (0.21) | <0.00001 | |
| Leucocytes | 0.61 (0.63) | 0.61 (0.90) | NS | |
| Cell groups | 0.25 (0.39) | 0.22 (0.39) | NS | |
| Atypias | 0.85 (1.63) | 0.72 (1.40) | NS | |
| Positive (%) | 3/31 (6.5%) | 3/31 (6.5%) | NS | |
| Disposable Megafunnel* | 90 | |||
| Cellularity | 1.85 (0.78) | 1.69 (0.69) | NS | |
| Fixation | 2.17 (0.67) | 2.74 (0.35) | <0.00001 | |
| RBC | 0.50 (0.76) | 0.04 (0.14) | <0.001 | |
| Leucocytes | 0.83 (0.77) | 0.45 (0.51) | <0.00001 | |
| Cell groups | 0.16 (0.42) | 0.20 (0.35) | NS | |
| Atypias | 0.82 (2.02) | 0.77 (1.91) | NS | |
| Positive (%) | 3/31 (6.5%) | 3/31 (6.5%) | NS | |