Comparison of pre- and post-vaccination laboratory parameters within vaccine types and over time

Laboratory parametersVaccine typep value
Nimenrix (n: 229; 49.4%)Bexsero (n: 235; 50.6%)
Mean ± SD or Median (25P–75P)Mean ± SD or Median (25P–75P)
WBC (103/µL)Before vaccination8,030 (6,820–9,000)8,080 (6,910–9,200)0.565*
After vaccination7,680 (6,720–8,830)7,880 (6,590–8,920)0.804*
p value0.186Ω0.102Ω
HGB (g/dL)Before vaccination11.1 (10.6–12.2)11.1 (10.5–12.2)0.530*
After vaccination11.4 (10.8–12.2)11.4 (10.8–12.2)0.858*
p value0.113Ω0.015Ω
HCT (%)Before vaccination33.3 (31.8–35.9)33.1 (31.2–35.3)0.223*
After vaccination34.1 (32.5–36.3)34.0 (32.4–36.3)0.998*
p value0.058Ω0.001Ω
PLT (103/µL)Before vaccination316,721 ± 59,404316,836 ± 65,5390.984
After vaccination312,886 ± 62,948309,030 ± 67,3290.524
p value0.4780.186
LYM (103/µL)Before vaccination4.67 ± 1.384.70 ± 1.520.833
After vaccination4.52 ± 1.264.64 ± 1.650.366
p value0.1560.680
Neutrophil (103/µL)Before vaccination2.55 ± 1.12.63 ± 1.220.477
After vaccination2.67 ± 1.092.51 ± 1.040.122
p value0.2900.263
Monocyte (103/µL)Before vaccination0.96 (0.73–1.25)0.90 (0.65–1.25)0.298*
After vaccination0.76 (0.62–1.09)0.81 (0.63–1.25)0.387*
p value0.004Ω0.170Ω
PLRBefore vaccination69.01 (54.78–84.47)68.46 (54.41–84.35)0.855*
After vaccination69.57 (57.12–83.53)69.17 (53.87–86.06)0.522*
p value0.672Ω0.862Ω
NLRBefore vaccination0.55 (0.33–0.82)0.57 (0.33–0.83)0.801*
After vaccination0.57 (0.36–0.81)0.52 (0.34–0.74)0.162*
p value0.374Ω0.739Ω
SIIBefore vaccination171.28 (107.19–245.07)173.71 (108.16–251.85)0.938*
After vaccination178.07 (116.04–269.14)154.93 (103.77–256.46)0.106*
p value0.403Ω0.405Ω
dNLRBefore vaccination0.48 (0.28–0.67)0.47 (0.28–0.7)0.893*
After vaccination0.50 (0.34–0.75)0.43 (0.29–0.73)0.095*
p value0.118Ω0.748Ω
SIR-IBefore vaccination0.48 (0.34–0.74)0.47 (0.29–0.84)0.761*
After vaccination0.52 (0.26–0.9)0.47 (0.23–0.9)0.538*
p value0.244Ω0.859Ω
CRP (mg/L)Before vaccination1.25 (0.76–2.76)1.25 (0.85–2.55)0.955*
After vaccination1.35 (0.95–2.35)1.45 (0.95–2.61)0.264*
p value0.297Ω0.458Ω

WBC: white blood cell; HGB: hemoglobin; HCT: hematocrit; PLT: platelet; LYM: lymphocyte; PLR: platelet-to-lymphocyte ratio; NLR: neutrophil-to-lymphocyte ratio; SII: systemic immune inflammation index; dNLR: derived NLR; SIR-I: (neutrophil count × monocyte count)/lymphocyte count; CRP: C-reactive protein; SD: standard deviation. : Independent samples t test was used to compare the mean values. *: Mann-Whitney U test was used to compare median values. Ω: Wilcoxon test for to compare median differences. : Paired samples t test for to compare the mean differences