Table 1. Prevalence and Relative Level of the ΔExon14 JAK2 Transcript in Patients with Suspected or Confirmed Myeloproliferative Neoplasms (MPNs).

	Suspected MPN (n = 183)				Confirmed MPN (n = 61)
	V617F-Negative (n = 90)		V617F-Positive (n = 93)
	n (%)	Mean (range) percentage of JAK2 transcript	n (%)	Mean (range) percentage of JAK2 transcript	n (%)	Mean (range) percentage of JAK2 transcript
Δexon14	31 (34)	3.88 (2.08–12.22)	20 (22)	5.41 (2.13–26.22)	9 (15)	12.04 (3.96–33.85)
No Δexon14	59 (66)	NA	73 (78)	NA	52 (85)	NA