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Table 3 Insulin-resistance indices in subjects with cardiac syndrome X vs. coronary artery disease (status without known diabetes mellitus)

From: Post-challenge insulin concentration is useful for differentiating between coronary artery disease and cardiac syndrome X in subjects without known diabetes mellitus

  CSX
(N = 92)
CAD
(N = 145)
p
HbA1C (%) 5.8 (5.6, 6.1) 6.0 (5.7, 6.4) 0.002
Fasting glucose (mg/dl) 93 (87, 100) 94 (89, 102) 0.115
OGTT 30 min glucose (mg/dl) 163 (146, 184) 165 (149, 188) 0.204
OGTT 2 h glucose (mg/dl) 127 (106, 155) 143 (114, 186) 0.004
Fasting insulin (µIU/ml) 8.3 (5.1, 13.8) 9.4 (6.0, 15.7) 0.317
OGTT 30 min insulin (µIU/ml) 65.0 (38.9, 99.9) 61.4 (39.1, 94.7) 0.817
OGTT 2 h insulin (µIU/ml) 47.3 (34.6, 75.9) 68.3 (40.1, 116.7) 0.002
HOMA-IR (mg/dl × µIU/ml) 2.0 (1.2, 3.3) 2.2 (1.3, 3.8) 0.231
OGTT derived insulin-sensitivity index, Matsuda (mM × µIU/ml)−1 87.1 (53.7, 143.0) 68.9 (46.8, 117.7) 0.054
  1. Non-normally distributed data are expressed as median (interquartile range, 25th percentile to 75th percentile)
  2. HbA 1C glycated hemoglobin, OGTT oral glucose tolerance test