However , HNC reduced mortality risk in both depressed and non-depressed patients -LSB- adjusted hazard ratios ( HRs ) @ , @ % confidence interval ( CI ) @-@ @ , P = @ , and @ , @ % CI @-@ @ , P = @ , respectively -RSB- , but not in PHQ-deniers ( HR @ , @ % CI @-@ @ , P = @ ; P = @ for homogeneity of HRs ) .