Table 5 Crude RR and Adjusted RR with 95% CI of mannitol on post-chemotherapy AKI with the addition of potential confounding factors gradually
Variables | RR (CI 95%) | P value | RR value changes with confounder |
|---|---|---|---|
Crude RR | 2.168 (0.839–5.6) | 0.094 |  |
Adjusted RR | |||
 + Chemotherapy regimen 5 fluorouracil | 2.190 (0.555–8.632) | 0.448 | (2.190–2.168)/2.190 × 100% = 1% |
 + Age ≥ 40 years old | 2.852 (0.68–11.96) | 0.152 | (2.852–2.190)/2.190 × 100% = 23% |