Grade @ or higher adverse events included ascites ( @ -LSB- @ % -RSB- in the placebo group vs @ -LSB- @ % -RSB- in the trebananib group ) , neutropenia ( @ -LSB- @ % -RSB- vs @ -LSB- @ % -RSB- ) , and abdominal pain ( @ -LSB- @ % -RSB- vs @ -LSB- @ % -RSB- ) .