Table 1.

Analytical recovery of vascular endothelial growth factor (VEGF) added to plasma samples.

Amount of VEGF (pg/ml)
Added, expected	Observed	Recovery (%)*
50·0
63·74	61·09	96
121·44	139·26	115
209·31	209·71	100
316·55	309·38	98
837·46	836·37	100
250·0
63·74	70·99	96
121·44	132·05	100
209·31	208·88	95
316·55	327·61	100
837·46	826·32	98
500·0
86·24	83·41	97
143·94	145·39	101
231·81	227·61	98
339·05	339·50	100
859·96	860·36	100

^*Mean ± standard deviation = 99·60% ± 4·64, n = 15.