Table 3. Levels of NT-proBNP and ANP according to the echocardiographic findings.

	NT-proBNP level (ng l−1) (normal <200 ng l−1)	ANP (ng l−1) (normal <43 ng l−1)
Carcinoid heart disease
Median (range)
Absent (n=23)	89 (23–1449)	25 (10–57)
Present (n=9)	894 (328–4432)	41 (12–89)
P-value	P<0.001	P=0.11
Right atrium dilatation
Median (range)
None (n=21)	89 (23–1449)	26 (10–57)
Mildly dilated (n=3)	195 (62–2587)	25 (20–30)
Severely dilated (n=8)	738 (328–4432)	48 (12–89)
P-value	P=0.002	P=0.36
Right ventricle dilatation
Median (range)
None (n=23)	84 (23–2587)	25 (10–55)
Mildly dilated (n=6)	407 (153–1058)	49 (12–62)
Severely dilated (n=3)	1081 (581–4432)	52 (16–89)
P-value	P=0.005	P=0.13
Tricuspid valve morphology
Median (range)
Normal (n=21)	84 (23–372)	24 (10–57)
Thickened (n=11)	894 (328–4432)	48 (12–89)
P-value	P<0.001	P=0.39
Tricuspid valve regurgitation
Median (range)
None (n=8)	50 (23–1349)	18 (10–28)
Mild (I/IV & II/IV) (n=15)	153 (52–1449)	26 (20–57)
Severe (III/IV &IV/IV) (n=9)	894 (328–4432)	41 (12–89)
P-value	P=0.007	P=0.13