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Table 2 Rank-sum correlations of markers of oxidative stress levels with demographics, comorbidities, vital signs, clinical scores and inflammatory biomarkers

From: Association of the Tyrosine/Nitrotyrosine pathway with death or ICU admission within 30 days for patients with community acquired pneumonia

  Tyrosine Tyr-NO2 Tyrosine/Tyr-NO2 ratio
Demographics
 Age r 0.1748, p = 0.0230 r 0.0856, p = 0.2684 r 0.0158, p = 0.8383
 Gender r − 0.0253, p = 0.7441 r 0.0458, p = 0.5545 r 0.0508, p = 0.5116
 BMI r − 0.0870, p = 0.2608 r − 0.0100, p = 0.8973 r 0.0039, p = 0.9594
Comorbities
 Coronary heart disease r 0.0263, p = 0.7059 r − 0.0020, p = 0.9775 r − 0.0224, p = 0.7483
 Chronic heart failure r 0.0586, p = 0.4005 r 0.1123, p = 0.1064 r 0.0681, p = 0.3285
 Chronic Kidney Disease r 0.0178, p = 0.7981 r 0.0104, p = 0.8809 r 0.0083, p = 0.9050
 Diabetes mellitus r − 0.0156, p = 0.8225 r 0.1052, p = 0.1305 r 0.1205, p = 0.0830
 COPD r 0.0430, p = 0.5378 r − 0.0559, p = 0.4228 r − 0.0832, p = 0.2321
 Tumor r 0.0816, p = 0.2413 r 0.0392, p = 0.5741 r 0.0149, p = 0.8310
Vital signs
 Heart rate r − 0.0761, p = 0.2893 r − 0.0981, p = 0.1714 r − 0.0592, p = 0.4096
 Systolic BP r-0.0305, p = 0.6716 r − 0.0113, p = 0.8753 r 0.0066, p = 0.9270
 Temperature r − 0.0226, p = 0.7532 r 0.2403, p = 0.0007 r 0.2804, p = 0.0001
Clinical scores
 PSI r 0.1264, p = 0.0689 r 0.0932, p = 0.1805 r 0.0464, p = 0.5060
 CURB-65 r 0.1243, p = 0.0737 r 0.1008, p = 0.1474 r 0.0508, p = 0.4662
 qSOFA r 0.0307, p = 0.6594 r 0.1132, p = 0.1034 r 0.1074, p = 0.1226
Biomarkers
 CRP r − 0.2662, p = 0.0001 r − 0.0994, p = 0.1540 r − 0.0338, p = 0.6286
 PCT r − 0.1607, p = 0.0207 r 0.0519, p = 0.4579 r 0.1158, p = 0.0967
 WBC r − 0.0586, p = 0.4018 r 0.0080, p = 0.9091 r 0.0397, p = 0.5703
  1. Bolded p values are statistically significant at p < 0.05. BMI, Body Mass Index; COPD, chronic obstructive pulmonary disease; BP, blood pressure; PSI Pneumonia Severity Index; CURB-65, score of confusion, urea, respiratory rate, blood pressure, age; CRP, initial C-reactive Protein level; PCT, initial Procalcitonin level; WBC, initial leukocyte count