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. 2023 Jun 12;23:203. doi: 10.1186/s12890-023-02495-4

Table 1.

Summary of the demographic characteristics and laboratory tests of SARS-CoV-2 tested people in the MASHAD study population

Variables Cov + (5780) Cov – (7390) P-value*
Age (year) (Mean ± SD) 58.80 ± 9.63 57.09 ± 8.77  < 0.001
Gender n(%)
 Female 2500 (43.3) 4667 (63.3) < 0.001
 Male 3276 (56.7) 2704 (36.7)
Physical activity level 1.71 ± 0.38 1.75 ± 0.38  < 0.001
Smoking status n(%)
 Non smoker 369 (77.8) 5418 (74.2) < 0.001
 Ex – smoker 50 (10.5) 527 (7.2)
 Current smoker 55 (11.6) 1350 (18.5)
Hypertension n(%) 4204 (73.4) 3739 (51.2)  < 0.001
Diabetes mellitus (glucose ≥ 126) n(%) 2328 (40.4) 1944 (26.5)  < 0.001
Dyslipidemia n(%) 5256 (91.2) 6388 (87.0)  < 0.001
Systolic blood pressure (mmHg) 135.90 ± 21.11 134.84 ± 20.75  < 0.001
Diastolic blood pressure (mmHg) 81.62 ± 14.91 81.78 ± 13.92  < 0.001
Fasting blood glucose (mg/dl) 118.91 ± 49.45 113.66 ± 43.67  < 0.001
Cholesterol (mg/dl) 200.36 ± 47.50 205.89 ± 44.69  < 0.001
Triglyceride (mg/dl) 149.35 ± 88.41 147.36 ± 80.36  < 0.001
LDL-C (mg/dl) 113.04 ± 41.69 116.52 ± 35.11  < 0.001
HDL-C (mg/dl) 48.17 ± 10.96 48.79 ± 10.73  < 0.001
Hs-CRP (mg/l) 2.91 ± 4.02 2.82 ± 4.46 0.031
ALT (mg/dl) 19.71 ± 12.58 19.19 ± 12.82  < 0.001
AST (mg/dl) 22.55 ± 9.76 22.10 ± 9.22  < 0.001
ALP (U/L) 220.72 ± 71.46 223.87 ± 67.81  < 0.001
Gamma-GT (IU/L) 28.63 ± 29.76 25.77 ± 23.25 0.024
Bilirubin.direct (mg/dl) 0.25 ± 0.10 0.25 ± 0.13  < 0.001
Bilirubin.total (mg/dl) 0.86 ± 0.36 0.83 ± 0.32  < 0.001
Magnesium (mg/dl) 2.32 ± 0.25 2.35 ± 0.25  < 0.001
Iron (mcg/dl) 90.84 ± 35.92 91.85 ± 36.59  < 0.001
Uric acid (mg/dl) 5.22 ± 1.29 5.05 ± 1.33 0.006
BUN (mg/dl) 34.23 ± 10.71 33.20 ± 10.09 0.007
Calcium (mg/dl) 9.66 ± 0.52 9.67 ± 0.58 0.021
Cr (mg/dl) 1.25 ± 0.31 1.10 ± 0.23  < 0.001
Phosphate (mg/dl) 3.87 ± 0.32 3.91 ± 0.46  < 0.001
Hematologic parameters
 WBC (Wbc/McL) 6.26 ± 1.61 6.38 ± 2.02 < 0.001
 RBC (Million/McL) 4.87 ± 0.52 4.86 ± 0.48 < 0.001
 HGB (g/dL) 14.35 ± 1.60 14.31 ± 1.55 < 0.001
 HCT % 41.67 ± 3.99 41.65 ± 3.90 < 0.001
 MCV (fl) 85.76 ± 5.86 85.80 ± 5.89  < 0.001
 MCH (pg) 29.53 ± 2.41 29.47 ± 2.49 < 0.001
 MCHC (g/dL) 34.43 ± 1.62 34.33 ± 1.69  < 0.001
 RDW-CV (%) 13.25 ± 1.01 13.24 ± 1.17 < 0.001
 PLT (Plt/McL) 238.05 ± 58.08 242.78 ± 62.43 < 0.001
 PDW (fl) 12.77 ± 2.37 12.67 ± 2.13  < 0.001
 MPV (fl) 10.02 ± 0.95 10.01 ± 0.96  < 0.001

*P-value is computed based on t-tests for continuous data and Chi-square test for categorical data