Table 2.

The values of parameters (mmHg, median (IQR)).

Parameters		n	No AKI	n	AKI	p
MAP	Admission	45	89 (77–100)	39	82 (65–91)	NS
	6 h	45	75 (66–85)	39	72 (67–85)	NS
	12 h	45	76 (68–87)	39	72 (69–82)	NS
	24 h	42	81 (71–91)	37	80 (70–88)	NS
	48 h	32	81 (75–101)	37	82 (70–90)	NS
IAP	Admission	45	10 (6–13)	39	11 (7–16)	NS
	6 h	45	10 (6–12)	39	9 (7–14)	NS
	12 h	45	11 (7–13)	39	11 (7–15)	NS
	24 h	39	9 (7–13)	36	12 (8–16)	< .05
	48 h	29	10 (7–14)	37	12 (8–17)	NS
CVP	Admission	45	6 (2–10)	39	6 (4–8)	NS
	6 h	45	5 (1–8)	39	7 (4–8)	NS
	12 h	45	5 (2–7)	39	6 (4–9)	NS
	24 h	42	6 (4–7)	37	8 (3–11)	NS
	48 h	31	7 (4–9)	37	7 (5–11)	NS
Pmean	Admission	12	9 (7–10)	22	9 (8–11)	NS
	6 h	7	8 (7–10)	19	10 (6–11)	NS
	12 h	6	7 (7–10)	17	9 (7–12)	NS
	24 h	4	7 (6–9)	18	10 (7–12)	NS
	48 h	3	6 (6–7)	16	8 (7–14)	NS
MAP-IAP	Admission	45	88 (69–93)	39	65 (49–85)	< .005
	6 h	45	66 (56–74)	39	62 (55–77)	NS
	12 h	45	66 (57–77)	39	61 (53–76)	NS
	24 h	41	72 (60–84)	37	64 (57–77)	NS
	48 h	32	72 (63–91)	37	69 (57–82)	NS
MAP-(IAP + CVP + Pmean)	Admission	12	55 (50–59)	22	41 (30–52)	< .005
	6 h	7	49 (39–55)	19	44 (40–60)	NS
	12 h	6	57 (42–64)	17	40 (36–52)	< .05
	24 h	4	53 (45–58)	18	31 (18–46)	NS
	48 h	3	55 (52–59)	16	36 (3–50)	NS

AKI: Acute Kidney Injury; CVP: Central Venous Pressure; IAP: Intraabdominal Pressure; MAP: Mean Arterial Pressure.