Table 3.

Characteristics of SCD Patients According to Tricuspid Regurgitant Jet Velocity.

Characteristic	TRV < 2.5 m/sec (n=93)			TRV ≥ 2.5 m/sec (n=13)
	No.	Value	z-score	No.	Value	z-score	P value
Age (yr)	83	11.7 ±4.2		13	12.7 ±5.5		0.47
Hemoglobin SS (%)	83	63 (76)		13	13 (100)		<0.0001
WBC (103/mm3)	77	10.3 ±3.7		12	10.5 ±3.3		0.86
Hemoglobin (g/dL)	77	9.8 ±1.6		12	9.2 ±1		0.2
Platelets (103/mm3)	77	402 ±139		12	434 ±121		0.45
Reticulocyte count (%)	78	7.8 ±5		12	10.6 ±3.5		0.06
LDH (units/L)	64	1267 ±530		12	1395 ±636		0.38
Unconjugated bilirubin (mg/dL)	77	2.5 ±3		12	3.6 ±1.6		0.19
Shortening fraction (%)	83	37.6 ±4.6		13	37.7 ±4.5		0.97
Indexed left ventricular mass (g/m2.7)	71	44.5 ±14.4		11	44.8 ±11.1		0.94
Left atrial volume index (ml/m2)	73	32.5±8.9	2.7± 2.2	12	38.8± 12.5	4.4 ± 3.2	0.03
Left atrial diameter (cm)	83	3.25 ± 0.52	2.3 ±1	13	3.78 ± 0.71	3.2 ±1.1	0.002
Right ventricular diameter (cm)	83	1.9 ± 0.4	−0.3 ±1	13	2.17 ± 0.63	0.16 ±1.1	0.1
Intraventricular septal diameter (cm)	83	0.79 ± 0.16	0.8 ±0.8	13	0.80 ± 0.29	0.6 ±1	0.45
Left ventricular end-diastolic dimension (cm)	83	4.74 ± 0.66	0.9 ±1	13	4.89 ± 0.63	1.2 ±0.9	0.45
Posterior wall thickness (cm)	83	0.78 ± 0.17	1.2 ±1	13	0.79 ± 0.22	1.1 ±0.7	0.7
E (cm/sec)	83	109 ± 17	1 ±1.1	13	119 ± 15	1.6 ±1	0.07
A (cm/sec)	82	57 ± 14.7	0.6 ±1.2	13	72 ± 22.9	1.7 ±2	0.009
E/A ratio	82	2.02 ± 0.5	−0.03 ±0.9	13	1.79 ± 0.5	−0.3 ±1	0.31
Lateral e′ (cm/sec)	78	18.5 ± 2.8	−0.16 ±0.8	13	18 ± 3.9	−0.3 ±1.1	0.52
Lateral E/e′ ratio	78	0.66 ±0.8		13	1.32 ±1.4		0.04
Lateral e′/a′ ratio	78	3.3 ±0.8		13	3 ±1.2		0.43
Septal e′/a′ ratio	78	2.5 ±0.6		13	2.1 ±0.4		0.04

TRV: Tricuspid regurgitant jet velocity.