Table 3.

Invasive measures of coronary physiology according to median neuropeptide Y (NPY) levels immediately post-primary percutaneous intervention (PPCI)

	NPY post-PPCI <12.4 pg/ml (n=32)	NPY post-PPCI >12.4 pg/ml (n=32)	p Value
Resting gradient	0.96 (0.94–1.0)	0.95 (0.93–0.99)	0.63
Fractional flow reserve	0.94 (0.90–0.98)	0.94 (0.87–0.98)	0.50
Baseline transit time	0.81 (0.58–1.13)	0.63 (0.44–1.31)	0.22
Hyperaemic transit time	0.39 (0.25–0.71)	0.50 (0.34–0.96)	0.28
Baseline distal pressure	90 (78–103)	86 (76–99)	0.67
Hyperaemic distal pressure	79 (65–88)	77 (69–87)	0.88
Coronary flow reserve	1.79 (1.45–2.34)	1.23 (1.02–1.55)	0.01
Index of microcirculatory resistance	30.6 (21.4–56.9)	38.1 (22.9–64.7)	0.48

Median values and IQR in brackets.