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Table 2 Clinical data of pulmonary tuberculosis patients (N = 187) and normal reference ranges

From: Serum complement C4b, fibronectin, and prolidase are associated with the pathological changes of pulmonary tuberculosis

  PTB patients (mean ± SD) Normal reference ranges Median P a
Total protein (g/L) 68.32 ± 6.66 64.00 − 83.00 72.88 < 0.001**
Albumin (g/L) 37.94 ± 5.13 36.00 − 52.00 43.27 < 0.001**
Globulin (g/L) 30.27 ± 5.60 22.00 − 34.00 27.35 < 0.001**
A/G 1.29 ± 0.32 1.20 − 2.50 1.73 < 0.001**
CRP (mg/L) 29.69 ± 38.72 0.00 − 0.82 0.41 < 0.001**
Prealbumin (g/L) 0.18 ± 0.08 0.15 − 0.36 0.23 < 0.001**
Fibrinogen (g/L) 5.69 ± 2.23 1.90 − 5.60 3.26 < 0.001**
Triglyceride (mmol/L) 1.06 ± 0.67 0.56 − 1.69 1.05 0.001**
LDH (U/L) 167.55 ± 54.74 100.00 − 240.00 154.92 0.064
HDL-C (mmol/L) 1.03 ± 0.34 1.03 − 1.55 1.26 < 0.001**
LDL-C (mmol/L) 2.31 ± 0.81 0.00 − 3.10 1.55 < 0.001**
Lipoprotein (mg/L) 270.60 ± 275.90 0.00 − 300.00 150.00 0.004**
APOA1 (g/L) 1.05 ± 0.23 1.20 − 1.60 1.39 < 0.001**
APOB (g/L) 0.76 ± 0.20 0.80 − 1.05 0.92 < 0.001**
IgG (g/L) 14.05 ± 3.60 11.50 − 14.22 12.79 0.007**
IgA (g/L) 2.84 ± 1.37 1.70 − 3.25 2.35 0.044*
IgM (g/L) 1.21 ± 0.57 0.73 − 1.17 0.92 < 0.001**
Complement 4 (mg/L) 377.78 ± 80.38 100.00 − 400.00 200.00 < 0.001**
Complement 3 (g/L) 1.04 ± 0.24 0.83 − 1.77 1.21 < 0.001**
  1. A P-value of less than 0.05 indicates statistical significance. PTB: pulmonary tuberculosis; N: number of subjects; A/G: Albumin/ Globulin; CRP: C-reactive protein; LDH: Lactate dehydrogenase; HDL-C: High-density lipoprotein cholesterol; LDL-C: Low-density lipoprotein cholesterol; APOA1: apolipoprotein A1; APOB: apolipoprotein B; * P < 0.05; ** P < 0.01. a P value between TB patients and normal reference range, for one-sample t-test after taking the logarithm then compare to the median.