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Table 2 Number of active tuberculosis patients screened to identify one instance of elevated random blood glucose (n = 915)

From: Interaction of nutritional status and diabetes on active and latent tuberculosis: a cross-sectional analysis

   Body mass index (kg/m2)
   < 18.5 18.5–22.9 ≥23.0
Overall Total (n) 562 264 89
RGB ≥140 (%) 34.9 67.8 82
Number needed to screen 2.9 1.5 1.2
No prior diabetes Total (n) 484 121 18
RGB ≥140 (%) 26.2 39.7 44.4
Number needed to screen 3.8 2.5 2.3
Diabetes diagnosis Total (n) 78 143 71
RGB ≥140 (%) 88.5 91.6 91.6
Number needed to screen 1.1 1.1 1.1
  1. RGB random blood glucose (mg/dL)