Table 5.
Comparison of patients with poor renal outcome (decreased GFR, proteinuria, and/or hypertension with or without medication) (n = 20) to those with no renal impairment (n = 57) using binary logistic regression model
| Number | Renal outcome | |||
|---|---|---|---|---|
| Poor outcome (20) | Good outcome (57) | OR (95% CI) | p value | |
| Age < 3 years | 16 (80%) | 23 (40%) | 5.91 (1.75–19.96) | 0.004 |
| Antimicrobial treatment | 15 (75%) | 28 (50%)a | 3.00 (0.96–9.38) | NS |
| Leukocytes > 20 × 109/L | 15 (75%) | 22 (41%)b | 4.36 (1.38–13.76) | 0.012 |
| Platelet infusions | 10 (50%) | 31 (57%)b | 0.74 (0.27–2.08) | NS |
| Major CNS symptoms | 10 (50%) | 19 (33%) | 2.00 (0.71–5.63) | NS |
| Presence of anuria | 14 (70%) | 25 (45%)a | 2.90 (0.97–8.62) | NS |
| Need of dialysis | 18 (90%) | 32 (56%) | 7.03 (1.49–33.19) | 0.014 |
| Dialysis time over 10 days | 11 (55%) | 13 (23%) | 4.14 (1.4–12.14) | 0.010 |
| Serogroup O157c | 8 (57%) | 26 (70%) | 0.56 (0.16–2.01) | NS |
| Stx1 alonec | 1 (7%) | 1 (3%) | 2.77 (0.16–47.56) | NS |
| Stx2 alonec | 12 (82%) | 34 (96%) | 0.53 (0.08–3.56) | NS |
| Stx 1 and 2c | 1 (7%) | 2 (5%) | 1.35 (0.11–16.13) | NS |
OR odds ratio, CI confidence interval, CNS central nervous system, NS nonspecific
aData missing from one patient
bData missing from three patients
cIncludes only 51 patients (14 with poor and 37 with good long-term renal outcome)