. 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 3.

Volumetric Assessment of Vascular Geometry and Progression of Allograft Vasculopathy During Follow-Up in patients with DSA II+ and MFI>1000 vs. DSA−

	DSA II+ (n = 6)	DSA− (n=34)	P Value
Vessel Volume/Segment Length
Baseline (mm³/mm)	12.9±5	14.9±4	0.4^#
2^ND IVUS (mm³/mm)	11.5±7	15.7±4	0.2^#
Absolute difference (mm³/mm)	−1.4±3	+0.81±4	0.2^*
Change in %	−21.1±12	+1.3±3	0.1^*
P-value	0.3^¶	0.3^¶
Plaque Volume/Segment Length
Baseline (mm³/mm)	2.9±1	4.8±2	0.04^#
2^ND IVUS (mm³/mm)	2.8±1	4.9±2	0.03^#
Absolute difference (mm³/mm)	−0.1±0.7	+0.06±1	0.4^*
Change in %	−5.5±11	+5.4±24	0.8^*
P-value	0.7^¶	0.8^¶
Plaque index
Baseline (mm³)	0.2±0.04	0.3±0.1	0.003^#
2^ND IVUS (mm³)	0.25±0.03	0.3±0.1	0.02^#
Absolute difference (mm³)	+0.03±0.04	−0.003±0.07	0.1^*
Change in %	+12.3±7	−7.9±18	0.05^*
P-value	0.08^¶	0.82^¶

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