Table 5 Causative organism characteristics of 69 patients with peritonitis by PTH categories
Causative microorganisms (n, %) | Total (n = 69) | Baseline PTH levels (pg/mL) | P-value | ||
|---|---|---|---|---|---|
< 150 (n = 32) | 150–300 (n = 13) | > 300 (n = 24) | |||
Gram-positive organism | 25(36.2%) | 10(31.3%) | 5(38.5%) | 10(41.7%) | 0.013 |
Staphylococcus sp. | 17(24.6%) | 4(12.5%) | 5(38.5%) | 8(33.3%) | 0.000 |
Staphylococcus aureus | 12(17.4%) | 3(9.4%) | 4(30.8%) | 5(20.8%) | 0.000 |
Staphylococcus epidermidis | 3(4.3%) | 1(3.1%) | 0 | 2(8.3%) | – |
MRSA | 2(2.9%) | 0 | 1(7.7%) | 1(4.2%) | – |
Streptococcus sp. | 4(5.8%) | 3(9.4%) | 0 | 1(4.2%) | – |
Enterococcus sp. | 1(1.4%) | 1(3.1%) | 0 | 0 | – |
Others | 3(4.3%) | 2(6.3%) | 0 | 1(4.2%) | – |
Gram-negative organism | 14(20.3%) | 9(28.1%) | 3(23.1%) | 2(8.3%) | 0.000 |
Pseudomonas aeruginosa | 1(1.4%) | 1(3.1%) | 0 | 0 | – |
Esherichia coli | 10(14.5%) | 6(18.8%) | 3(23.1%) | 1(4.2%) | 0.000 |
Others | 3(4.3%) | 2(6.3%) | 0 | 1(4.2%) | – |
Fungi | 2(2.9%) | 1(3.1%) | 0 | 1(4.2%) | – |
Culture-negative | 28(40.6%) | 12(37.5%) | 5(38.5%) | 11(45.8%) | 0.036 |