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Table 3 Comparison and agreement of pH and specific gravity measures between the visual vs machine read-out, stratified by infection intensity

From: Evaluation of the Clinitek®, a point-of-care urinalysis system for the measurement of clinically significant urinary metabolites and detection of haematuria in Schistosoma haematobium infected children in southern Côte d’Ivoire

Parameter Infection intensity Mean ± SD from visual read Mean ± SD from machine read Mean bias (95% CI) Pearson’s r
pH Combined 7.31 ± 0.97 7.44 ± 1.03 − 0.14 (− 0.20, − 0.08) 0.88
Light infection 7.37 ± 0.91 7.53 ± 1.00 − 0.16 (− 0.21, − 0.10) 0.89
Heavy infection 6.94 ± 1.16 6.99 ± 1.05 − 0.05 (− 0.24, 0.15) 0.80
Specific gravity Combined 1.013 ± 0.007 1.018 ± 0.005 − 0.004 (− 0.005, − 0.004) 0.72
Light infection 1.013 ± 0.007 1.017 ± 0.005 − 0.004 (− 0.005, − 0.004) 0.71
Heavy infection 1.015 ± 0.007 1.020 ± 0.006 − 0.005 (− 0.006, − 0.003) 0.70