TABLE 3.
Outcomes of patients with peritoneal dialysis-related peritonitis using the conventional standard method and MALDI-TOF MS
| Outcome characteristic | Conventional standard method | MALDI-TOF MS method | P value |
|---|---|---|---|
| Overall no. (n = 145) | 96 | 49 | |
| No. (%) with improvement | 73 (76) | 39 (80) | 0.63 |
| Time to WBC count <100/mm3 (mean ± SD) (days) | 6.1 ± 3.0 | 6.7 ± 3.8 | 0.37 |
| No. (%) with hospitalization management | 46 (63) | 21 (54) | 0.42 |
| Time to WBC count <100/mm3 (mean ± SD) (days) | 6.7 ± 3.4 | 6.8 ± 4.3 | 0.64 |
| Length of hospital stay (mean ± SD) (days) | 8.2 ± 4.5 | 5.2 ± 4.8 | 0.001 |
| No. (%) with no improvement | 23 (24) | 10 (20) | 0.63 |
| Transfer to hemodialysis | 23 (100) | 9 (90) | 0.30 |
| In-hospital mortality | 1 (4.4) | 1 (10) | 0.52 |
| Length of hospital stay (mean ± SD) (days) | 26.1 ± 13.5 | 19.5 ± 17.1 | 0.17 |
| Those with improvement | |||
| No. with Staphylococcus spp. (n = 42) | 29 | 13 | |
| Time to WBC count <100/mm3 (mean ± SD) (days) | 5.6 ± 2.3 | 9.4 ± 8.6 | 0.03 |
| No. (%) with hospitalization management | 12 (41) | 7 (54) | 0.34 |
| Time to WBC count <100/mm3 (mean ± SD) (days) | 5.9 ± 3.0 | 7.3 ± 3.1 | 0.35 |
| Length of hospital stay (mean ± SD) (days) | 7.3 ± 3.4 | 5.4 ± 4.4 | 0.30 |
| No. with Streptococcus spp. (n = 38) | 22 | 16 | |
| Time to WBC count <100/mm3 (mean ± SD) (days) | 5.9 ± 2.3 | 5.9 ± 3.1 | 0.97 |
| No. (%) with hospitalization management | 20 (91) | 8 (50) | 0.008 |
| Time to WBC count <100/mm3 (mean ± SD) (days) | 6.1 ± 2.4 | 5.5 ± 2.6 | 0.59 |
| Length of hospital stay (mean ± SD) (days) | 8.3 ± 3.6 | 3.8 ± 3.2 | 0.005 |
| No. with E. coli and Klebsiella spp. (n = 20) | 10 | 10 | |
| Time to WBC count <100/mm3 (mean ± SD) (days) | 5.3 ± 1.3 | 6.6 ± 4.1 | 0.35 |
| No. (%) with hospitalization management | 8 (80) | 6 (60) | 0.63 |
| Time to WBC count <100/mm3 (mean ± SD) (days) | 5.6 ± 1.2 | 6.7 ± 5.2 | 0.58 |
| Length of hospital stay (mean ± SD) (days) | 5.8 ± 1.3 | 4.7 ± 2.7 | 0.34 |