Research Article

Association between Serum Cys C and PTB Cavitation

Table 1

Characteristics of the three groups.

Noncavitary PTB ()Cavitary PTB ()HC () value

Gender (M/F)22/2046/15ab23/190.026
Age (years)31 (22.75–38.5)36 (28–55.5)35.5 (29–44.25)0.085
BMI (kg/m2)18.80 (17.70–21.25)18.47 (17.19–19.98)NA0.457
Current/ex/never smoking11/2/2929/3/29NA0.084
Current/ex/never drinking21/1/2034/2/25NA0.789
Onset of symptoms
 Cough, number (%)80.95%88.52%NA0.284
 Hemoptysis, number (%)9.52%37.70%bNA0.001
 Sweat, number (%)28.57%24.59%NA0.652
 Fever, number (%)33.33%22.95%NA0.244
CT findings
 Both lung lesions, number (%)66.67%72.13%NA0.552
 Pleural thickening, number (%)54.76%49.18%NA0.578
Clinical laboratory tests
 Sputum positive, number (%)7.14%29.51%bNA0.006
 CRP (ng/L)21.74 (8.54–71.11)14.93 (2.48–57.07)NA0.167
 Cys C (mg/L)0.79 (0.67–0.88)0.87 (0.72–0.96)ab0.79 (0.74–0.83)0.022
 BUN (mmol/L)3.55 (2.80–4.46)3.87 (3.09–4.61)4.28 (3.50–4.81)0.091
 UA (umol/L)305.50 (242.75–356.75)301.00 (247.00–365.00)307.00 (255.25–347.50)0.984
 CR (umol/L)61.00 (54.50–70.00)68.00 (57.50–76.00)67.00 (55.00–76.00)0.078
 GFR (ml/min)128.00 (118.00–144.00)126.23 (109.00–140.00)116.00 (106.00–137.00)0.076

BMI: body mass index; CRP: C-reactive protein; Cys C: cystatin C; BUN: blood urea nitrogen; UA: uric acid; CR: creatine; GFR: glomerular filtration rate; NA: not available. ; statistic significant (Kruskal-Wallis test with Dunn multiple test comparison or Chi-square test); a, compared with healthy control; b, compared with noncavitary PTB.