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. 2020 Jun 30;20:99. doi: 10.1186/s12902-020-00571-y

Table 2.

Echocardiographic features of participants by quartile of neutrophil: lymphocyte ratio (NLR) (n = 507)

Participant characteristics Quartiles of NLR (range)
Level 1
(< 1.35)
n = 124
Level 2
(≥1.35 and < 1.77)
n = 129
Level 3
(≥1.77 and < 2.38)
n = 127
Level 4
(≥2.38)
n = 127
P value
LA diameter (1) 33.88 ± 3.35 33.81 ± 3.09 33.76 ± 3.25 0.918
LVEDD (mm) 45.63 ± 2.07 45.58 ± 2.82 45.99 ± 2.93 46.35 ± 3.48 0.143
LVESD (mm) 29.71 ± 1.45 29.64 ± 1.55 29.96 ± 1.48 30.41 ± 2.37 0.002*
IVSD (mm) 8.30 ± 0.57 8.10 ± 0.55 8.38 ± 0.64 8.74 ± 1.18 < 0.001*
EF (%) 64.58 ± 1.79 64.23 ± 1.55 64.43 ± 1.64 64.27 ± 2.24 0.418
E velocity (cm/s) 76.24 ± 14.66 75.43 ± 11.19 75.42 ± 13.99 76.30 ± 15.60 0.934
A velocity (cm/s) 66.31 ± 13.77 68.02 ± 15.17 75.92 ± 16.69 87.66 ± 12.91 < 0.001*
E/A ratio 1.16 ± 0.14 1.13 ± 0.17 1.03 ± 0.23 0.88 ± 0.22 < 0.001*
e’ velocity (cm/s) 9.92 ± 1.66 9.69 ± 1.78 9.20 ± 1.96 8.32 ± 1.79 < 0.001*
E/e’ ratio 7.71 ± 0.99 7.86 ± 1.10 8.39 ± 1.56 9.29 ± 1.39 < 0.001*

The data are summarized as the mean ± SD for continuous variables or as a numerical proportion for categorical variables. LA left atrial, LV left ventricular, LVEDD LV diameter in end diastolic, LVESD LV diameter in end systolic, IVSD interventricular septal diameter, LVEF LV ejection fraction, E the peak early diastolic trans-mitral flow velocity, A the peak late diastolic trans-mitral flow velocity, e’ the peak early diastolic mitral annular velocity