Prevalence of Isolated Atrial Amyloidosis in Young Patients Affected by Congestive Heart Failure

Table 1

Patients’ characteristics: values are means ± SD or 𝑛 (%).

Characteristic	Patients	Amyloid not present	Amyloid present	𝑃	IAA	DC	HC	𝑃
Total control	10	10	0		0	0	0
Age, years, control	42.2±2.2	42.2±2.2	0		0	0	0
Sex (M/F), control	4/6	4/6	0		0	0	0
Diabetes mellitus	2	10	0		0	0	0
Hypertension	6	10	0		0	0	0
ANP level	42 pg/mL ± 9
Total CHF	36	3	33		31	21	15
Age, years, CHF	40.4±4.3
Sex (M/F)	20/16	3/0	17/16		15/16	13/8	7/8
Diabetes mellitus	11 (31)	2 (18.2)	9 (81.8)	𝑃<0.05	1 (9)	8 (72.7)	3 (27.2)	𝑃<0.05
Hypertension	26 (73)	1 (3.8)	25 (96.2)		25 (100)	21 (84)	4 (16)
ANP level	88 pg/mL ± 10	3	33	𝑃<0.05		21	15	𝑃<0.05
IAA	31	3	28	𝑃<0.05	31	20	11	𝑃<0.05
DC	21	1	20	𝑃<0.05	20	21	0	𝑃<0.05
HC	15	2	13	𝑃<0.05	11	0	15	𝑃<0.05