CRP and infection: Li et al., showed that NLR is an important independent risk factor for maintenance hemodialysis in patients with pulmonary infection,12 while Carvallho et al., studied the association of CRP with NLR and PLR, which showed the values of sensitivity and specificity for the prediction of infection equal to 67% and 67%, 65% and 58%, and 71% and 53%, respectively.