For nab-P/C versus sb-P/C , the treatment difference in efficacy in patients with either level of renal impairment was comparable to the overall population but did not reach statistical significance , with an overall response rate of 35 % versus 27 % ( response rate ratio , 1.324 ; P = .060 ) in patients with mild renal impairment , and 31 % versus 19 % ( response rate ratio , 1.662 ; P = .300 ) in patients with moderate renal impairment .