. Author manuscript; available in PMC: 2014 Jan 27.

Published in final edited form as: Transplantation. 2013 Jan 27;95(2):389–396. doi: 10.1097/TP.0b013e318273878c

Table 2.

Volumetric Assessment of Vascular Geometry and Progression of Allograft Vasculopathy During Follow-Up in patients with DSA II+ vs. DSA−

	DSA II+ (n = 11)	DSA− (n=34)	P Value
Vessel Volume/Segment Length
Baseline (mm³/mm)	14.7±4	14.9±4	0.75^#
2^ND IVUS (mm³/mm)	14.2±5	15.7±4	0.48^#
Absolute difference (mm³/mm)	−0.51±3	+0.81±4	0.3^*
Change in %	−9.6±25	+1.3±3	0.2^*
P-value	0.6^¶	0.3^¶
Plaque Volume/Segment Length
Baseline (mm³/mm)	3.6±1	4.8±2	0.2^#
2 ^ND IVUS (mm³/mm)	4.0±2	4.9±2	0.25^#
Absolute difference (mm³/mm)	+0.51±1	+0.06±1	0.42^*
Change in %	+6.2±22	−5.4±24	0.5^*
P-value	0.1^¶	0.8^¶
Plaque index
Baseline (mm³)	0.24±0.06	0.31±0.1	0.02^#
2 ^ND IVUS (mm³)	0.27±0.07	0.31±0.11	0.40^#
Absolute difference (mm³)	+0.04±0.03	−0.003±0.07	0.05^*
Change in %	+13.8±12	−7.9±18	0.02^*
P-value	0.01^¶	0.8^¶

SL: segment length; VV: vessel volume; LV: lumen volume; PV: plaque volume; PI: plaque index.

ANCOVA test; baseline value is a covariate.

^¶

Paired t test

t test