1.
纳入研究的基本特征
General characteristics of the included studies
| Author | Tumor tissue (M+/M-) |
Cotrol tissue (M+/M-) |
Control type (Ⅰ/Ⅱ/Ⅲ/Ⅳ) |
Method | Stage | Region | Time |
| MSP:Methylation-specific PCR; q-MSP:quantitative MSP. | |||||||
| Yao[2] | 21/32 | 18/35 | Plasm | MSP | - | China | 2005 |
| Zhang[3] | 4/74 | 2/76 | Tissue | MSP | 25/33/19/1 | China | 2010 |
| Kang[4] | 19/34 | 15/38 | Plasm | MSP | - | China | 2011 |
| Sabine[5] | 22/85 | 0/104 | Tissue | q-MSP | 61/21/25/- | USA | 2001 |
| Brabender[6] | 34/56 | 16/74 | Tissue | MSP | 44/19/27/- | Germany | 2003 |
| Guo[7] | 14/6 | 8/12 | Bronchial margins | MSP | - | China | 2004 |
| Russo[8] | 18/15 | 6/27 | Plasm | MSP | - | USA | 2005 |
| Topaloglu[9] | 12/19 | 7/24 | Bronchoalveolar fluid | MSP | 17/9/5/- | USA | 2004 |
| Begum[10] | 3/7 | 1/9 | Plasm | q-MSP | - | USA | 2011 |
| Guo[7] | 14/6 | 11/9 | Bronchoalveolar fluid | MSP | - | China | 2004 |
| Guo[7] | 14/6 | 1/13 | Tissue | MSP | - | China | 2004 |
| Safar[11] | 4/28 | 1/31 | Tissue | MSP | - | USA | 2005 |
| Zhang[12] | 4/74 | 2/76 | Tissue | MSP | - | China | 2011 |
| Feng[13] | 4/45 | 1/48 | Tissue | MSP | 21/17/-/- | USA | 2008 |
| Vallbohmer[14] | 35/56 | 16/75 | Tissue | MSP | 45/19/27/- | USA | 2006 |