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Table 2 Laboratory Results

From: Age is not the only risk factor in COVID-19: the role of comorbidities and of long staying in residential care homes

  Total
(n = 81)
Age 65–79
(n = 41)
Age ≥ 80
(n = 40)
p value
Hemocromocytometric parameters
 Haemoglobin (g/dl) 12.23 ± 1.81 12.57 ± 1.98 11.89 ± 1.56 NS
 Platelet (10^3/uL) 211.07 ± 101.7 204.63 ± 99.4 217.33 ± 104.91 NS
 WBC (10^3/uL) 8.37 ± 4.13 8.08 ± 4.82 8.66 ± 3.34 NS
 Neutrophil % 74.1 ± 13.61 70.86 ± 14.97 77.33 ± 11.38 0.03
 Lymphocytes % 18.07 ± 11.85 20.9 ± 13.41 15.23 ± 9.39 0.03
 Monocytes % 6.72 ± 3.35 7.04 ± 3.05 6.39 ± 3.61 NS
 Eosinophil % 0.85 ± 1.08 0.82 ± 1.04 0.88 ± 1.14 NS
 Basophil % 0.27 ± 0.34 0.31 ± 0.41 0.23 ± 0.25 NS
 Neutrophil (M/mm^3) 6.34 ± 3.36 5.86 ± 3.54 6.82 ± 3.14 NS
 Lymphocytes (M/mm^3) 1.44 ± 1.71 1.67 ± 2.28 1.21 ± 0.76 NS
 Monocytes (M/mm^3) 0.55 ± 0.37 0.55 ± 0.38 0.54 ± 0.35 NS
 Eosinophil (M/mm^3) 0.41 ± 3.01 0.76 ± 4.26 0.07 ± 0.1 NS
 Basophil (M/mm^3) 0.03 ± 0.08 0.03 ± 0.07 0.04 ± 0.09 NS
Hormone Levels
 FT4 (ng/dl) 1.1 ± 0.23 1.2 ± 0.27 1.03 ± 0.18 0.04
 FT3 (pg/ml) 1.78 ± 0.55 1.81 ± 0.55 1.76 ± 0.57 NS
 TSH (uU/ml) 1.01 ± 0.85 0.87 ± 0.81 1.11 ± 0.87 NS
 Vitamin D 25-OH (ng/ml) 10.66 ± 9.57 8.4 ± 9.11 11.92 ± 9.84 NS
 Ferritin (ng/ml) 843.4 ± 1110.26 692.15 ± 932.01 1006.76 ± 1274.7 NS
Serum Markers of inflammation
 Procalcitonin (ng/ml) 1.21 ± 3.92 0.53 ± 1.01 1.76 ± 5.15 NS
 NLR 6.71 ± 5,44 5.35 ± 3.79 8.06 ± 6.47 0.02
 PLR 206.76 ± 123.88 188.66 ± 101.18 223.89 ± 141.35 NS
 C-Reactive Protein (mg/dl) 7.54 ± 7.28 5.53 ± 6.23 9.55 ± 7.76 0.02
Blood Biochemistry
 Creatinine (mg/dl) 1.23 ± 0.98 1.11 ± 0.63 1.35 ± 1.23 NS
 Urea (mg/dl) 29.96 ± 25.22 26.33 ± 22.99 33.6 ± 27.07 NS
 AST (U/L) 32.7 ± 36.23 31.35 ± 17.38 34.08 ± 48.79 NS
 ALT (U/L) 25.09 ± 31.55 27.5 ± 21.21 22.62 ± 39.62 NS
 LDH (U/L) 312.89 ± 134.51 294.41 ± 126.18 333 ± 142.16 NS
 Alkaline phoshatase (U/L) 95.33 ± 50.86 92.48 ± 54.72 98.17 ± 47.74 NS
 Troponin (pg/ml) 48.26 ± 81.84 36.48 ± 53.46 60.05 ± 102.46 NS
 D-dimer (ng/ml) 974.93 ± 1270.89 861.18 ± 1270.87 1091.76 ± 1277.66 NS
Serum Immunological Markers
 T cells (%) 74.06 ± 11.43 76.31 ± 7.91 72.06 ± 13.77 NS
 T cells (cells/uL) 735.76 ± 459.27 714.13 ± 291.77 755.00 ± 577.50 NS
 B cells (%) 10.79 ± 6.05 10.88 ± 6.73 10.72 ± 5.58 NS
 B cells (cells/uL) 111.71 ± 99.54 105.69 ± 95.79 117.06 ± 105.23 NS
 T cells CD4+ (%) 48.26 ± 13.29 49.75 ± 12.01 46.94 ± 14.54 NS
 T cells CD4+ (cells/uL) 505.35 ± 404.79 504.75 ± 334.32 505.84 ± 468.45 NS
 T cells CD8+ (%) 23.82 ± 13.06 24.50 ± 10.97 23.22 ± 14.97 NS
 T cells CD8+ (cells/uL) 209.85 ± 134.00 218.94 ± 118.10 201.78 ± 149.68 NS
 NK cells (%) 14.25 ± 10.79 12.44 ± 7.72 15.83 ± 12.95 NS
 NK cells (cells/uL) 129.06 ± 98.44 111.19 ± 74.55 144.94 ± 115.49 NS
 CD4+/CD8+ 2.81 ± 1.67 2.60 ± 1.36 3.01 ± 1.92 NS
  1. Was used Bonferroni correction for multiple comparisons. The statistical adjusted significance was accepted at the adjusted p value < 0.0008
  2. Abbreviations: WBC white blood cells, M thousand, NLR neutrophil to lymphocyte ratio, PLR platelet to lymphocyte ratio, NK natural killer