Assessing the Performance of Extended Half-Life Coagulation Factor VIII, FC Fusion Protein by Using Chromogenic and One-Stage Assays in Saudi Hemophilia A Patients

Table 3

The correlation between the one-stage assay and chromogenic assay for the measurement of factor VIII levels in the study cases.

Patient ID	Age	N	Correlation coefficient	value
Patient 1	25	5	0.97	0.004
Patient 2	24	4	−0.802	0.198
Patient 3	57	4	1	<0.001
Patient 4	32	5	0.38	0.523
Patient 5	28	5	0.996	<0.001
Patient 6	24	4	1	<0.001
Patient 7	10	1	NA	NA
Patient 8	30	5	0.993	0.001
Patient 9	26	2	1	<0.001
Patient 10	34	5	0.991	0.001
Patient 11	36	7	0.994	<0.001
Patient 12	29	5	0.994	0.001
Patient 13	10	3	0.999	0.26
Patient 14	10	1	NA	NA

N = number of samples evaluated; NA=not applicable since one sample was available.