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Figure 4: Nomogram of monocyte classification combined with other clinical parameters for predicting LNM. (a) Nomogram plot of calculating the contribution value of risk factors for LNM. (b) Calibration plot of the nomogram for the predicted versus the observed risk of LNM. Xaxis: nomogrampredicted probability of LNM; Yaxis: actually observed probability of LNM; dashed line: the reference line in which the predicted and actual probabilities are identical; solid line: biascorrected estimates of accuracy. Repeated sampling 1000 times. PSA: prostatespecific antigen; fPSA: free PSA; MONO: monocyte; MLR: monocytetolymphocyte ratio; LNM: lymph node metastasis. 
