| Received caffeine citrate | P value• | |||
Yes | No | ||||
Mean | SD | Mean | SD | ||
Urea (D2) | 19.18 | 7.53 | 27.92 | 8.45 | <0.001 |
Creat (D2) | 0.81 | 0.30 | 1.08 | 0.24 | <0.001 |
Urea (D7) | 11.54 | 3.69 | 20.66 | 8.01 | <0.001 |
Creat (D7) | 0.53 | 0.19 | 0.85 | 0.26 | <0.001 |