From: Performance of the BD FACSPresto near to patient analyzer in comparison with representative conventional CD4 instruments in Cameroon
Spearman's rank correlation coefficient
P-value
Variables
BD FACSPrestoâ„¢ CD4
BD FACSCaliburâ„¢ CD4
0.981
0.0001
1
0
BD FACSCountâ„¢ CD4
0.974
< 0.0001
PIMA CD4
0.963