Table 3.
Comparison of clinical characteristics according to bloodstream infection at 10 patients with SIRS.
| Bloodstream infection | p value | ||
|---|---|---|---|
| Presence | Absence | ||
| n = 3 | n = 7 | ||
| Gender (Male: Female) | 1 (33%):2 (67%) | 3 (43%):4 (57%) | 1.000 |
| Age over 75 (Yes: No) | 3 (100%):0 (0%) | 1 (14%):6 (86%) | 0.033 |
| Body mass index (kg/m2) | 20 (18–26) | 17 (17–32) | 0.764 |
| Antecedent obstructive pyelonephritis (Yes: No) | 3 (100%):0 (0%) | 4 (57%):3 (43%) | 0.475 |
| Target to renal stone (Yes: No) | 3 (100%):0 (0%) | 7 (100%):0 (0%) | — |
| URS alone (Yes: No) | 3 (100%):0 (0%) | 3 (43%):4 (57%) | 0.200 |
| Index stone diameter, mm | 6 (5–33) | 27 (11–78) | 0.199 |
| Cumulative stone diameter, mm | 15 (6–33) | 78 (21–122) | 0.026 |
| Highest CT-attenuation value, Hounsfield unit | 844 (374–1369) | 1219 (629–1372) | 0.424 |
| Struvite calculi (Yes: No) | 1 (33%):2 (67%) | 4 (57%):3 (43%) | 1.000 |
| Preoperative bladder urine culture (Positive: Negative) | 3 (100%) :0 (0%) | 6 (86%):1 (14%) | 1.000 |
| Renal pelvic urine culture (Positive: Negative) | 1 (33%):2 (67%) | 5 (71%):2 (29%) | 0.500 |
| Stone culture (Positive: Negative) | 1 (33%):2 (67%) | 4 (57%):3 (43%) | 1.000 |
| Operation time, min | 74 (40–141) | 115 (36–181) | 0.345 |
| Preoperative stent (Yes: No) | 3 (100%):0 (0%) | 4 (57%):3 (43%) | 0.475 |
| Preoperative nephrostomy (Yes: No) | 0 (0%):3 (100%) | 3 (43%):4 (57%) | 0.475 |
| Duration of drainage tube placement, days | |||
| Initial placement - surgery | 112 (19–135) | 28 (17–473) | 0.783 |
| The latest replacement - surgery | 42 (19–112) | 28 (17–108) | 0.829 |
Categorial variables are shown as number of patients. Continuous variables are shown as median (full range).
SIRS = Systemic inflammatory response syndrome; URS = Ureteroscopy; CT = Computed tomography.