| | Variable | Author, year | No. cases | Reported statistics for VEGF | Variable type | Statistical significance of association |
| | Stage | Tempfer et al., 1998 [21] | 60 | md | I/II versus III/IV | NO | | Gadducci et al., 1999 [22] | 53 | md | I versus II and III versus IV | NO | | Chen et al., 1999 [23] | 56 | md | I/II versus III/IV | NO | | Oehler and Caffier, 2000 [24] | 41 | m | categorical | NO | | Cooper et al., 2002 [25] | 101 | md | I/II versus III/IV | NO | | Li et al., 2004 [26] | 50 | m | I/II versus III/IV | YES | Harloziňska
et al., 2004 [27] | 86 | NA | I/II versus III/IV | NO | | Hefler et al., 2006 [28] | 314 | m | categorical | NO |
| | Grade | Tempfer et al., 1998 [21] | 60 | md | G1 versus G2/G3 | YES | | Gadducci et al., 1999 [22] | 53 | md | G1-G2 versus G3 | NO | | Chen et al., 1999 [23] | 56 | md | G1 versus G2/G3 | YES | | Cooper et al., 2002 [25] | 101 | md | G1-G2 versus G3 | NO | | Li et al., 2004 [26] | 50 | m | G1-G2 versus G3 | YES | Harloziňska
et al., 2004 [27] | 86 | NA | G1 versus G2/G3 | NO | | Hefler et al., 2006 [28] | 314 | m | categorical | NO | | Mahner et al., 2010 [29] | 37 | md | G2 versus G3 | NO |
| | Residual tumour size (cm) | Tempfer et al., 1998 [21] | 60 | md | ≥2 versus <2 | NO | | Gadducci et al., 1999 [22] | 53 | md | ≥2 versus <2 | NO | | Chen et al., 1999 [23] | 56 | md | ≥2 versus <2 | NO | | Oehler and Caffier, 2000 [24] | 41 | m | ≥2 versus <2 | NO | | Cooper et al., 2002 [25] | 101 | md | ≥1 versus <1 | NO | | Li et al., 2004 [26] | 50 | m | ≥2 versus <2 | YES | | Hefler et al., 2006 [28] | 314 | m | ≥1 versus <1 | YES | | Mahner et al., 2010 [29] | 37 | md | ≥0 versus <0 | NO |
| | Lymph node involvement | Tempfer et al., 1998 [21] | 60 | md | yes versus no | NO | | Li et al., 2004 [26] | 50 | m | yes versus no | YES | | Hefler et al., 2006 [28] | 314 | m | yes versus no | NO | | Mahner et al., 2010 [29] | 37 | md | yes versus no | NO |
| | Histological type | Tempfer et al., 1998 [21] | 60 | md | serous or mucinous versus others | NO | | Gadducci et al., 1999 [22] | 53 | md | serous versus others | NO | | Chen et al., 1999 [23] | 56 | md | serous or mucinous versus others | NO | | Oehler and Caffier, 2000 [24] | 41 | m | categorical | NO | | Li et al., 2004 [26] | 50 | m | categorical | NO | Harloziňska
et al., 2004 [27] | 86 | NA | categorical | NO |
| | Ascites (mL) | Gadducci et al., 1999 [22] | 53 | md | presence versus absence | YES | | Cooper et al., 2002 [25] | 101 | md | presence versus absence | YES | | Li et al., 2004 [26] | 50 | m | ≥500 versus <500 | YES | Harloziňska
et al., 2004 [27] | 86 | NA | presence versus absence | NO | | Mahner et al., 2010 [29] | 37 | md | ≥500 versus <500 | NO |
| | Age (years) | Tempfer et al., 1998 [21] | 60 | md | ≥50 versus <50 | NO | | Gadducci et al., 1999 [22] | 53 | NA | NA | NO | | Chen et al., 1999 [23] | 56 | md | ≥50 versus <50 | NO | | Oehler and Caffier, 2000 [24] | 41 | m | ≥60 versus <60 | NO | | Cooper et al., 2002 [25] | 101 | md | ≥64 versus <64 | NO | | Hefler et al., 2006 [28] | 314 | m | continuous variable | NO | | Mahner et al., 2010 [29] | 37 | md | ≥61 versus <61 | NO |
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