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. Author manuscript; available in PMC: 2017 Jul 1.
Published in final edited form as: Ann Biomed Eng. 2016 Jan 5;44(7):2251–2260. doi: 10.1007/s10439-015-1518-x

Table II.

OCT measurements in stent groups at baseline and follow-up

Number Treatment Group
Malapposed Apposed
10 3 p-value
OCT Cross-Sectional Measures * significant at the 5% level
Baseline Mean Reference Lumen CSA [mm2] 7.50 ± 1.10 6.51 ± 0.56 0.0747
Mean Stent CSA [mm2] 6.30 ± 0.47 6.95 ± 0.96 0.5059
Stent Overexpansion
[Max Stent CSA / Mean Lumen Ref CSA]
1.00 ± 0.14 1.18 ± 0.11 0.0878
Stent Underexpansion
[Min Stent CSA / Mean Lumen Ref CSA]
0.71 ± 0.18 0.92 ± 0.06 0.0102 *
Strut-Level Measures
Number of Struts 6955 1469
    Number of Malapposed Struts 2153 11
    Number of Apposed Struts 4802 1458
Max Wall Distance [mm] 0.51 ± 0.23 0.09 ± 0.05 0.0002 *
Mean Wall Distance [mm] 0.11 ± 0.08 −0.02 ± 0.01 0.0070 * Mann-Whitney
Acute [5 days] Number of Struts 6366 1289
    Number of Malapposed Struts 27 2
    Number of Apposed Struts 6339 1287
Max Wall Distance [mm] 0.15 ± 0.06 0.09 ± 0.05 0.1612
Mean Wall Distance [mm] −0.01 ± 0.01 + −0.01 ± 0.02 0.9909
Mean Stent CSA [mm2] 6.03 ± 0.50 + 6.46 ± 0.45 + 0.2357
Stent Underexpansion [Min Stent CSA / Mean Lumen Ref CSA] 0.66 ± 0.18 + 0.87 ± 0.05 0.0078 *
*

significant at the 5% level

+

Different to Baseline at 5% level of significance