Table 1.
Authors | Years | Samples
|
Sex status
|
Smoking history
|
Pathological types
|
Clinical staging
|
||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Cases | Controls | Male | Female | Yes | No | Squamous cell carcinomas | Adenocarcinomas | I | II | III and IV | ||
Zochbauer-Muller et al24 | 2001 | 107 | 104 | 76 | 31 | 98 | 9 | 43 | 45 | 61 | 21 | 25 |
Yanagawa et al25 | 2003 | 75 | 75 | 54 | 21 | 20 | 55 | 29 | 43 | 24 | 33 | 42 |
Russo et al26 | 2005 | 49 | 49 | – | – | 22 | 5 | – | – | – | – | – |
Tsou et al27 | 2005 | 7 | 11 | – | – | – | – | – | – | – | – | – |
Kim et al28 | 2007 | 88 | 88 | 70 | 18 | 72 | 16 | 53 | 35 | 51 | 37 | |
Tan et al29 | 2007 | 20 | 10 | – | – | – | – | – | – | – | – | – |
Feng et al30 | 2007 | 49 | 49 | 26 | 23 | – | – | 14 | 20 | 21 | 17 | – |
Wang et al31 | 2007 | 28 | 12 | 17 | 11 | – | – | 7 | 15 | – | – | – |
Wang et al32 | 2008 | 95 | 95 | 19 | 76 | – | – | 35 | 45 | 31 | 26 | 34 |
Vaissiere et al33 | 2009 | 209 | 164 | 171 | 38 | 173 | 36 | 121 | 58 | – | – | – |
Begum et al34 | 2011 | 76 | 30 | 40 | 36 | – | – | 26 | 36 | 41 | 17 | 11 |
Guzman et al35 | 2012 | 26 | 33 | 26 | 33 | – | – | 25 | 7 | – | – | – |
Zheng et al36 | 2012 | 37 | 37 | 26 | 11 | – | – | 15 | 17 | – | – | – |
Note: “–” means data not available.