Table 1.
Characteristics of the included studies (P: S100A4-positive; N: S100A4-negative; NA: not available).
| Author | Year | Country | Number of patients | Duration of follow-up | Cutoff scores (positive/negative) | N category (N0/N1) | Distant metastasis (M0/M1) | Histology (well, mod/Por) | 3-year OS rate |
|---|---|---|---|---|---|---|---|---|---|
| Oida et al. [26] | 2006 | Japan | 72 | NA | >NA (40/32) | P (5/35) N (7/25) |
P (24/16) N (20/12) |
P (37/3) N (27/5) |
P 7.5% (3/40) N 31.3% (10/32) |
| Ai et al. [27] | 2008 | China | 62 | NA | Score ⩾ 2 (38/24) | P (5/33) N (8/16) |
P (23/15) N (16/8) |
P (21/17) N (11/13) |
P 2.1% (1/38) N 20.8% (5/24) |
| Tsukamoto et al. [19] | 2013 | Japan | 83 | NA | >5% (48/35) | P (12/36) N (12/23) |
NA | P (38/10) N (32/3) |
P 10.4% (5/48) N 17.1% (6/35) |
| Lee et al. [28] | 2014 | Korea | 67 | Median 16.9 months | Score ⩾ 2 (36/31) | NA | NA | NA | P 11.1% (4/36) N 35.5% (11/31) |
| Jia [29] | 2011 | China | 63 | 4–36 months | Score ⩾ 2 (47/16) | P (14/33) N (12/4) |
P (31/16) N (16/10) |
P (32/15) N (15/1) |
P 0% (0/47) N 37.5% (6/16) |
| Liu [30] | 2011 | China | 82 | NA | Score ⩾ 2 (57/25) | P (16/41) N (16/9) |
NA | P (37/20) N (24/1) |
NA |
| Liu [31] | 2004 | China | 45 | NA | >20% (21/24) | P (3/18) N (12/12) |
NA | P (10/11) N (20/4) |
NA |