Table 5.
Laboratory parameters and microorganisms recovered
| Laboratory Parameters | All | Elderly (>75 yr) | Nonelderly (18–74 yr) | P Value |
|---|---|---|---|---|
| n | 208 | 18 | 190 | |
| spKt/V | 1.49 (0.4) | 1.52 (0.70) | 1.50 (0.42) | 0.57 |
| URR (%) | 71.0 (10.3) | 69.2 (15.7) | 71.2 (9.9) | 0.47 |
| Serum albumin (g/L) | 3.7 (0.5) | 3.6 (0.5) | 3.7 (0.5) | 0.56 |
| Hemoglobin (g/dl) | 11.2 (1.4) | 11.7 (1.6) | 11.2 (1.4) | 0.37 |
| Serum ferritin (ng/ml) | 639.4 (505.1) | 465 (379) | 656 (516) | 0.12 |
| Microorganisms, n (%) | 177 (85) | 13 (72) | 164 (86) | |
| Gram-positive cocci | 131 (74) | 9 (75) | 122 (74) | |
| Staphylococcus aureus | 46 (35) | 4 (44) | 42 (34) | |
| Gram-negative rods | 38 (21) | 3 (25) | 35 (21) | |
| Fungal | 2 (0.5) | 0 (0) | 2 (0.6) |
Laboratory parameters obtained within 30 days of the first catheter-related bloodstream infection event and microorganisms recovered throughout the entire study period. Data expressed in mean (SD). spKt/V, single pool Kt/V; URR, urea reduction ratio.