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. Author manuscript; available in PMC: 2015 Feb 25.
Published in final edited form as: Circ Res. 2014 Dec 15;116(3):437–447. doi: 10.1161/CIRCRESAHA.116.305082

Table 3. CMR data for study population split by TIMI flow at presentation.

Whole Cohort TIMI ≤1 TIMI >1

Nitrite (n=33) Placebo (n=35) P value Nitrite (n=27) Placebo (n = 30) P value Nitrite (n=4) Placebo (n = 5) P value
Baseline CMR
LVEDVi (ml/m2) 76.13 (71.11-81.14) 70.58 (65.22-75.94) 0.13 75.69 (69.93-81.44) 70.33 (64.31-76.34) 0.19 78.01 (51.65-104.40) 71.99 (54.30-89.68) 0.58
LVESVi (ml/m2) 36.16 (32.56-39.75) 35.71 (30.94-40.48) 0.88 35.16 (31.20-39.12) 35.41 (30.62-40.20) 0.94 39.90 (18.85-60.94) 37.37 (12.14-62.80) 0.84
LVMi (g/m2) 63.02 (58.65-67.40) 58.23 (54.67-61.79) 0.09 61.07 (56.27-65.88) 58.07 (54.44-61.71) 0.31 74.11 (58.19-90.03) 59.12 (40.75-77.49) 0.13
LVEF (%) 52.87 (49.88-55.86) 50.07 (46.46-53.67) 0.23 53.86 (50.40-57.32) 50.00 (46.43-53.57) 0.12 49.55 (40.32-58.78) 50.50 (29.96-71.04) 0.92
IS (% LV) 17.10 (14.12-20.08) 19.55 (16.40-22.70) 0.25 15.31 (12.36-18.27) 20.08 (16.72-23.43) 0.03 21.43 (9.62-33.23) 15.86 (0.42-31.30) 0.40
AAR (% LV) 34.58 (31.62-37.55) 33.05 (29.40-36.72) 0.52 33.89 (30.54-37.24) 33.27 (29.12-37.42) 0.82 35.71 (21.15-50.28) 31.74 (21.62-41.87) 0.51
MSI 0.52 (0.46-0.58) 0.44 (0.39-0.49) 0.05 0.56 (0.50-0.62) 0.43 (0.37-0.49) 0.002 0.41 (0.31-0.51) 0.54 (0.30-0.78) 0.17
MVO
No. (%) 16 (48.5%) 23 (69.7%) 0.13 10 (37.0%) 21 (72.4%) 0.02 3 (75.0%) 1 (25.0%) 0.14
Amount (g) (median IQR) 2.98 (0-6.25) 3.47 (0-4.75) 0.34 1.00 (0.80-5.87) 4.50 (1-7.50) 0.003 1 (0-8.25) 1 (0-1) 0.09
6 month CMR (n=29) (n=33) (n=25) (n=29) (n=2) (n=4)
LVEDVi (ml/m2) 82.13 (74.80-89.46) 75.62 (69.90-81.34) 0.15 79.27 (72.01-86.54) 75.37 (69.20-81.53) 0.40 109.94 (−184.6-404.5) 80.57 (60.05-101.1) 0.16
LVESVi (ml/m2) 36.50 (31.48-41.52) 34.85 (30.53-39.17) 0.61 33.80 (30.08-37.54) 34.94 (30.16-39.73) 0.71 64.97 (−216.3-346.2) 37.42 (25.62-49.21) 0.13
LVMi (g/m2) 55.67 (51.66-59.68) 51.20 (48.17-54.24) 0.07 54.21 (50.35-58.07) 51.09 (47.75-54.44) 0.21 73.36 (−80.60-227.3) 52.14 (46.98-57.30) 0.05
LVEF (%) 55.93 (52.71-59.15) 54.75 (51.62-57.87) 0.59 57.19 (54.12-60.27) 54.51 (50.96-58.05) 0.25 42.43 (−61.45-146.30) 53.51 (43.38-63.65) 0.18
IS (%) 11.88 (9.52-14.24) 13.15 (10.75-15.56) 0.45 10.69 (8.38-13.02) 13.70 (11.16-16.24) 0.08 16.33 (−9.40-42.06) 10.59 (0.24-20.93) 0.32

Values shown as mean (95% CI). Abbreviations: LVEDVi, Indexed left ventricle end-diastolic volume; LVESVi, Indexed left ventricle end-systolic volume; LVMi, Indexed left ventricle mass; LVEF, left ventricle ejection fraction; AAR, area at risk; MSI, myocardial salvage index; MVO, microvascular obstruction