By @ months , despite an increase in survival ( IPC @ days -LSB- SD @ -RSB- vs no IPC @ days -LSB- @ -RSB- ; mean difference @ days , @ % CI -@ to @ ) , there was a non-significant increase in quality-adjusted survival associated with IPC ( IPC @ days -LSB- SD @ -RSB- vs no IPC @ days -LSB- @ -RSB- ; mean difference @ days , @ % CI -@ to @ ) .