Table 7.
Head-to-head comparison of sensitivity for adenoma of faecal pyruvate kinase isoenzyme type M2 and guaiac-based faecal occult blood test n (%)
| Reference | Adenoma < 1 cm ø M2-PK | Adenoma < 1 cm ø gFOBT | Adenoma > 1 cm ø M2-PK | Adenoma > 1 cm ø gFOBT | Adenoma w/o ø M2-PK | Adenoma w/o ø gFOBT |
| Naumann et al[45], 2004 | 11 (27.3) | 11 (18.2) | 13 (61.5) | 13 (30.8) | ||
| Vogel et al[44], 2005 | 21 (48) | 21 (9) | ||||
| Shastri et al[7], 2006 | 21 (28.6) | 21 (9.5) | 10 (20.0) | 10 (30.0) | ||
| Koss et al[8], 2008 | 5 (20.0) | 5 (0.0) | 5 (60.0) | 5 (20.0) | ||
| Sum | 37 | 37 | 28 | 28 | 21 | 21 |
| mean ± SD | 25 ± 5 | 9 ± 9 | 47 ± 24 | 27 ± 6 |
n: Number of samples tested; %: Sensitivity; w/o ø: Without measurement of diameter; ø: Diameter; gFOBT: Guaiac-based faecal occult blood test; M2-PK: Pyruvate kinase isoenzyme type M2.