Table 2.
Proficiency Test Program Totals by Product for 2010 and 2011.
| Total Correct (Percentage Correct) |
Total Incorrect (Percentage Incorrect) |
Overall Sensitivity (95% CI)2 |
Overall Specificity (95% CI)2 |
|||
|---|---|---|---|---|---|---|
| Pos | Neg | Pos | Neg | |||
| Beckman/Coulter Hemoccult ICT n = 1633 | 945 (98.2) | 658 (98.1) | 17 (1.8) | 13 (1.9) | 98.2% (97.2 to 98.9) | 98.1% (96.7 to 98.9) |
| Hemosure IFOBT n = 1711 | 984 (94.4) | 610 (91.2) | 58 (5.6) | 59 (8.8) | 94.4% (92.9 to 95.7) | 91.2% (88.8 to 93.1) |
| Immunostics Hema-Screen Specific n = 669 | 305 (98.1) | 356 (99.4) | 6 (1.9) | 2 (0.6) | 98.1% (95.8 to 99.2) | 99.4% (97.8 to 1.0) |
| Inverness Clearview iFOB Complete1 n = 357 | 143 (87.2) | 156 (80.8) | 21 (12.8) | 37 (19.2) | 87.2% (81.1 to 91.5) | 80.8% (74.7 to 85.8) |
| Inverness Clearview Ultra FOB n = 836 | 501 (91.6) | 272 (94.1) | 46 (8.4) | 17 (5.9) | 91.6% (88.9 to 93.7) | 94.1 (90.7 to 96.4) |
| Polymedco OC-Light IFOB n = 976 | 562 (98.4) | 398 (98.3) | 9 (1.6) | 7 (1.7) | 98.4% (97.0 to 99.2) | 98.3% (96.4 to 99.2) |
| Polymedco OC-Auto Micro 80 n = 586 | 340 (98.8) | 241 (99.6) | 4 (1.2) | 1 (0.4) | 98.8% (96.9 to 99.7) | 99.6% (97.5 to 1.0) |
| Quidel QuickVue iFOB n = 1321 | 821 (98.3) | 481 (99.0) | 14 (1.7) | 5 (1.0) | 98.3% (97.2 to 99.0) | 99.0% (97.5 to 99.6) |
1
Taken off the market in 2011
2
95% Agresti-Coull binomial proportion confidence interval