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. Author manuscript; available in PMC: 2012 Aug 22.
Published in final edited form as: J Am Coll Cardiol. 2011 Oct 4;58(15):1608–1613. doi: 10.1016/j.jacc.2011.06.046

Table 2.

OCT Measurements

Spasm
(n = 10)		 Nonspasm
(n = 9)		 p Value
Intimal bump 8 (80%) 0 <0.01
Baseline-OCT
    Maximum intimal thickness (mm) 0.35 ± 0.29 0.25 ± 0.13 0.35
    Maximum medial thickness (mm) 0.24 ± 0.04 0.12 ± 0.03 <0.01
    Lumen area (mm2) 4.02 ± 1.39 7.34 ± 1.88 <0.01
    Intimal area (mm2) 2.15 ± 1.13 2.60 ± 1.24 0.42
    Medial area (mm2) 2.39 ± 1.04 1.36 ± 0.45 0.01
NTG-OCT
    Maximum intimal thickness (mm) 0.22 ± 0.14 0.19 ± 0.09 0.66
    Maximum medial thickness (mm) 0.13 ± 0.03 0.13 ± 0.02 0.65
    Lumen area (mm2) 6.38 ± 1.27 7.71 ± 2.19 0.12
    Intimal area (mm2) 1.89 ± 0.88 2.34 ± 0.85 0.27

Values are mean ± SD or n (%).

NTG = nitroglycerine; OCT = optical coherence tomography.