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Table 2 Discretization of numerical variables

From: The development and validation of a diagnostic scoring system to differentiate pulmonary tuberculosis from non-tuberculosis pulmonary infections in HIV-infected patients with severe immune suppression

  0 1 2 3 4
Highest body temperature*(℃)  < 37.3 37.4–38.4 38.5–38.9 39.0–39.9  ≥ 40.0
ESR*(mm/h)  < 20.0 20.1–49.9 50.0–79.9 80.0–99.9  ≥ 100.0
ALB* (g/L)  ≤ 30.0 30.1–32.9 33.0–35.9 36.0–39.9  ≥ 40.0
HGB* (g/L)  < 60.0 60.1–89.9 90.0–109.9 110.0–119.9  ≥ 120.0
PC * (%)  ≤ 0.10 0.11–0.19 0.20–0.39 0.40–0.89  ≥ 0.90
Number of infected pulmonary lobes # (n) 1 2 3 4 5
Age# (y)  ≤ 29 30–39 40–49 50–59  ≥ 60
  1. HGB hemoglobin, ALB albumin, ESR erythrocyte sedimentation rate, PCT procalcitonin
  2. *Ranges are assigned according to the degrees of the abnormality in the clinical practice; #Assigned by equal intervals