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. 2023 Oct 2;9:113. doi: 10.1186/s40795-023-00727-8

Table 4.

Correlation between HEI-2015 total score, added sugar and inflammatory markers among COVID patients

Whole COVID patients (n = 68) Mild COVID patients (n = 38) Moderate COVID patients (n = 30)
HEI Added sugar HEI Added sugar HEI Added sugar
r P value R P value r P value r P value r P value r P value
Age (Years) -0.09 0.460 -- -- 0.11 0.509 --- --- 0.27 0.146 -- --
Duration of symptoms -0.12 0.333 -- -- -- -- --- --- --- --- -- --
Duration to negative PCR -- -- -- -- -0.24 0.204 --- --- -0.17 0.638 -- --
HEI -- -- -- -- -- -- --- --- --- --- -- --
Lymphocytic count 0.33 0.005* 0.27 0.025* 0.18 0.290 0.26 0.123 0.31 0.100 0.18 0.335
Lymphocytic (%) -- -- 0.11 0.383 0.08 0.616 0.21 0.202 0.12 0.516 -0.10 0.642
 N/R -- -- -0.10 0.506 -0.16 0.348 -0.22 0.194 -0.12 0.537 -0.19 0.307
CRP -0.22 0.071 -0.11 0.384 0.24 0.151 -0.10 0.594 0.30 0.108 0.29 0.118
Ferritin -0.03 0.810 0.10 0.892 0.32 0.047* 0.10 0.791 0.16 0.415 0.12 0.513
LDH 0.002 0.988 0.10 0.496 -0.08 0.649 -0.10 0.562 0.29 0.125 0.39 0.032*
d-Dimer 0.08 0.512 0.14 0.266 0.26 0.113 0.26 0.122 0.15 0.426 -0.10 0.968

N/L: Neutrophil lymphocyte ratio, r is the correlation coefficient & it ranges from − 1 to + 1, p value < 0.05 is considered significant.

*Significant fair positive correlation.

** Significant moderate to good positive correlation.

*** Significant fair negative correlation.