Reference | Within groups (newly diagnosed) | Between groups | |
Newly diagnosed to negative | Newly diagnosed to previously diagnosed | ||
Mark25 (USA, 2008) | Yes | Yes | NA |
Melville26 (USA, 2003) | Yes | NA | NA |
Meyer27 (USA, 2005) | Yes | Yes | Yes |
Miyai28 (USA, 2004) | Yes | Yes | NA |
Narouz29 (UK, 2003) | NA | NA | NA |
Richards30 (USA, 2007) | Yes | Yes | Yes |
Rosenthal31 (USA, 2006) | No | Yes | NA |
Smith32 (AU, 2000) | Yes | Yes | NA |
Wilkinson33 (UK, 2000) | No | No | Yes |