Table 3.

One-segment strain and strain rate measurements. See the text for details

	Asphyxiated neonates	Non-asphyxiated neonates	p Value
All walls
Peak systolic strain (%)	−17.8 (0.6)	−21.2 (0.3)	<0.001
Peak systolic strain rate (/s)	−1.43 (0.08)	−1.61 (0.03)	<0.001
Early diastolic strain rate (/s)	1.72 (0.11)	2.00 (0.11)	0.002
Strain rate during the atrial systole (/s)	1.92 (0.17)	2.27 (0.10)	<0.001
Left, septum and right group of walls
Peak systolic strain (%)
Left walls	−17.2 (1.2)	−19.9 (0.9)	0.001
Septum walls	−14.2 (0.9)	−15.9 (0.7)	0.007
Right walls	−21.3 (1.7)	−24.6 (0.7)	<0.001
Peak systolic strain rate (/s)
Left walls	−1.40 (0.12)	−1.59 (0.06)	0.002
Septum walls	−1.34 (0.25)	−1.35 (0.06)	0.881
Right walls	−1.65 (0.15)	−1.75 (0.07)	0.187
Early diastolic strain rate (/s)
Left walls	1.78 (0.19)	2.24 (0.18)	0.007
Septum walls	1.27 (0.13)	1.43 (0.11)	0.098
Right walls	2.01 (0.21)	2.22 (0.14)	0.134
Strain rate during the atrial systole (/s)
Left walls	1.86 (0.21)	2.00 (0.14)	0.305
Septum walls	1.39 (0.11)	1.60 (0.11)	0.036
Right walls	2.26 (0.28)	2.76 (0.14)	0.001

Values are mean (SE of the mean).