Table I.
List of studies included in the meta-analysis.
| Author (Refs.) | Publication year | Region | Subjects (n) | NPM1 mutation (%) | Normal karyotype (%) |
|---|---|---|---|---|---|
| Thiede et al (14) | 2006 | Germany | 1485 | 27.47 | 79.41 |
| Döhner et al (15) | 2005 | Germany and USA | 300 | 48.33 | NR |
| Schnittger et al (16) | 2005 | Germany and Italy | 401 | 52.90 | 100.00 |
| Suzuki et al (19) | 2005 | Japan | 190 | 30.53 | 63.79 |
| Verhaak et al (13) | 2005 | The Netherlands | 275 | 34.55 | 77.89 |
| Mullighan et al (18) | 2007 | USA | 93 | 6.45 | 50.00 |
| Gale et al (20) | 2008 | United Kingdom | 1217 | 41.33 | 67.59 |
| Becker et al (21) | 2010 | Germany and USA | 148 | 56.08 | NR |
| Boonthimat et al (22) | 2008 | Thailand | 400 | 26.25 | 86.67 |
NPM1, nucleophosmin 1; NR, not reported.