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Table 5 Kappa coefficient agreement for categorized measures of lowest CD4+ T-cell count before cART and highest viral load before cART between HIV-BCS and SISCEL databases

From: Validation of CD4+ T-cell and viral load data from the HIV-Brazil Cohort Study using secondary system data

Sites of HIV-BCSa CD4+ T-cellb Viral loadc
Kappa p-value Kappa p-value
I 0.980 P < 0.001 1.000 P < 0.001
II 0.983 P < 0.001 1.000 P < 0.001
III 0.905 P < 0.001 1.000 P < 0.001
IV 0.889 P < 0.001 1.000 P < 0.001
V 1.000 P < 0.001 1.000 P < 0.001
VI 1.000 P < 0.001 1.000 P < 0.001
VII 0.985 P < 0.001 1.000 P < 0.001
VIII 0.885 P < 0.001 1.000 P < 0.001
IX 0.938 P < 0.001 1.000 P < 0.001
X 0.937 P < 0.001 1.000 P < 0.001
XI 0.867 P < 0.001 0.855 P < 0.001
XII 0.989 P < 0.001 1.000 P < 0.001
XIII 0.940 P < 0.001 1.000 P < 0.001
Total 0.932 P < 0.001 0.996 P < 0.001
  1. aI - Manaus – FMT; II - Belém UREDIP; III - Santarém - Municipal STF; IV - Recife - HC/UFPE; V - J. Guararapes - MUNICIPAL STF; VI - Salvador – HUPES; VII - Salvador - CEDAP; VIII - Rio de Janeiro – IPEC; IX Belo Horizonte - UFMG; X - São Paulo - CRT/SP; XI - São Paulo - Municipal Network; XII - SAE S.J.R.P - MUNICIPAL STF; XIII - Porto Alegre – PARTENON;
  2. bCategorized lowest CD4+ T-cell before cART was grouped in: < 200 cell/mm3, 200 |-- 350 cell/mm3, ≥ 350 cell/mm3;
  3. cViral load was grouped in: above or below assay lower limit of detection. The lower limit of detection varied according to method over the years between 400 and 40 copies / ml