Table 1 Characteristics of included studies
From: Clinicopathologic characteristics and prognosis of Borrmann type IV gastric cancer: a meta-analysis
Author | Year | Country | B-4/B-O (patient number) | B-4 incidence (%) | B-4 with non-curative resection | B-4 with non-resection | NOS | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Patient number | Median survival time (month) | 1-year survival | 2-year survival | Patient number | Median survival time (month) | 1-year survival | 2-year survival | ||||||
Maehara [6] | 1992 | Japan | 194/919 | 17.4 | NA | NA | NA | NA | NA | NA | NA | NA | 6 |
Kitamura [14] | 1995 | Japan | 102/563 | 15.3 | 50 | 11.1 | NA | NA | 13 | 6.2 | NA | NA | 5 |
Tanigawa [17] | 1998 | Japan | 33/169 | 16.3 | NA | NA | NA | NA | NA | NA | NA | NA | 6 |
Otsuji [12] | 1999 | Japan | 150/698 | 17.7 | NA | NA | NA | NA | NA | NA | NA | NA | 5 |
Yokota [19] | 1999 | Japan | 88/309 | 22.2 | NA | NA | NA | NA | NA | NA | NA | NA | 6 |
Kodera [22] | 2001 | Japan | 70/0 | NA | 31 | 9.7 | 35.48 % | 12.90 % | 11 | 8 | 27.27 % | 9.09 % | 6 |
Chen [5] | 2002 | China | 103/604 | 14.6 | NA | NA | NA | NA | NA | NA | NA | NA | 5 |
Kim [18] | 2002 | Korea | 199/1607 | 11 | NA | NA | NA | NA | NA | NA | NA | NA | 5 |
Yook [13] | 2005 | Korea | 370/3693 | 9.1 | 51 | 11 | 47.06 % | 13.73 % | 90 | 7 | 26.67 % | 11.10 % | 6 |
Nashimoto [23] | 2007 | Japan | 770/8474 | 8.3 | 254 | 9 | 37.80 % | 14.57 % | 116 | 4.33 | 7.76 % | 0.86 % | 5 |
An [8] | 2008 | Korea | 555/3636 | 13.2 | NA | NA | NA | NA | NA | NA | NA | NA | 4 |
Li [9] | 2009 | China | 517/3449 | 13 | NA | NA | NA | NA | NA | NA | NA | NA | 5 |
Accetta [20] | 2011 | Brazil | 123/836 | 12.8 | 16 | 10 | NA | 13.00 % | 55 | 3 | NA | 0 | 5 |
Gao [21] | 2011 | China | 118/0 | NA | 32 | 11.6 | 40.60 % | 6.20 % | 19 | 6.1 | 15.80 % | 0 | 5 |
Ma [7] | 2012 | China | 139/754 | 15.6 | NA | NA | NA | NA | NA | NA | NA | NA | 7 |