Table 3. Early postoperative blood resultsand haematological parameters of patients.

	Group I: AKI (n = 161)	Group II: non-AKI (n = 793)
Characteristics	Mean + SD	Mean + SD	p-value
Aortic cross-clamp time (min)	52.9 + 12.9	52.3 + 13.5	0.65*
Cardiopulmonary bypass time (min)	83.4 + 16.1	83.1 + 16.7	0.83*
Number of anastomoses	3.39 + 1.00	3.36 + 0.99	0.76*
Amount of drainage (ml)	361 + 140	350 + 129	0.34*
Intubation time (h)	5.76 + 1.41	5.62 + 1.48	0.25*
Stay in the intensive care unit (h)	22.81 + 3.57	21.00 + 2.19	0.0001*
Total duration of hospital stay (days)	8.96 + 3.14	6.06 + 1.61	0.0001*
Use of blood products, n (%)	57 (35.4)	261 (32.9)	0.54**
Use of inotropic support, n (%)	13 (8.1)	53 (6.7)	0.53**

AKI, acute kidney injury; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; MPV, mean platelet volume.

*Student’s t test.