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. 2016 Jan 19;16:1. doi: 10.1186/s12899-016-0020-5

Table 4.

Correlation of several parameters with the body surface area and the body weight in neonate lambs

Parameters BSA Body weight
R 95 % CI P R 95 % CI P
Heart rate −0.2139 −0.3713, −0.04466 0.0138 −0.2170 −0.3741, −0.04787 0.0124
P (ms) 0.03876 −0.1380, 0.2132 0.6590 0.03876 −0.1380, 0.2132 0.6590
P (mV) 0.05074 −0.1262, 0.2246 0.5634 0.05074 −0.1262, 0.2246 0.5634
PR (ms) −0.03408 −0.2087, 0.1426 0.6981 −0.03408 −0.2087, 0.1426 0.6981
QRS (ms) −0.02338 −0.1984, 0.1531 0.7902 −0.02338 −0.1984, 0.1531 0.7902
R (mV) −0.3565 −0.5009, −0.1927 <0.0001 −0.3637 −0.5033, −0.2055 <0.0001
QTc (mV) 0.2523 0.08507, 0.4057 0.0035 0.2512 0.08394, 0.4048 0.0037
T (ms) −0.09783 −0.2691, 0.07940 0.2644 −0.09783 −0.2691, 0.07940 0.2644
T (mV) 0.1863 0.01079, 0.3507 0.0324 0.1863 0.01079, 0.3507 0.0324
Axis (°) −0.09967 −0.2708, 0.07755 0.2555 −0.09967 −0.2708, 0.07755 0.2555

BSA: body surface area, CI: confidence interval,Level of significance: P<0,05