Table 3.
Laboratory and Imaging Characteristics of the Study Patients
| Variables | Non-CKD | Pre-HD | HD | P value |
|---|---|---|---|---|
| TB screening test | ||||
| TB antibody | ||||
| Weakly positive rate | 14/29(48.3%) | 7/26(26.9%) | 17/46(36.9%) | 0.060 |
| Strongly positive rate | 7/29(24.1%) | 9/26(34.6%) | 5/46(10.9%) | |
| TST | 12/29(41.4%) | 9/20(45.0%) | 7/35(20.0%) | 0.088 |
| T-Spot | 6/6(100.0%) | 10/10(100.0%) | 9/13(69.2%) | 0.078 |
| TB-PCR (sputum) | 11/12(91.6%) | 5/10(50.0%) | 2/5(40.0%) | 0.032 |
| AFB | 22/43(51.2%) | 15/38(39.5%) | 4/36(11.1%)a,b | 0.01 |
| Pulmonary imaging | n=43 | n=38 | n=37 | |
| Single lung | 8(18.6%) | 4(10.5%) | 7(18.9%) | 0.524 |
| Multiple lung | 35(81.4%) | 34(89.5%) | 30(81.1%) | |
| Lung cavity | 12(27.9%) | 8(21.1%) | 3(8.1%) | 0.080 |
| Pleural effusion(left/right) | 9(20.9%) | 4(10.5%) | 7(18.9%) | 0.219 |
| Pleural effusion(bilateral) | 5(11.6%) | 8(21.1%) | 11(29.7%) | |
Notes: Data are presented as frequency (%). ap<0.05 compared with the non-CKD group. bp<0.05 compared with the pre-CKD group.
Abbreviations: CKD, chronic kidney disease; HD, hemodialysis; TB, tuberculosis; TST, tuberculin skin test; TB-PCR, TB-tuberculosis-polymerase chain reaction; AFB, acid-fast bacilli.