The influence of timing of coronary angiography on acute kidney injury in out-of-hospital cardiac arrest patients: a retrospective cohort study

Table 2 In-hospital procedures, treatments and characteristics

	Early CAG group (N = 1148)	Deferred CAG/no CAG group (N = 1227)	p-value
Targeted temperature management	670/849 (78.9)	570/709 (80.4)	0.47
Hypotension	244/554 (44.0)	293/692 (42.3)	0.55
Use of inotropic or vasopressors	319/512 (62.3)	422/688 (61.3)	0.73
Use of intra-aortic balloon pump	96/993 (9.7)	40/1026 (3.9)	< 0.001
Heart failure < 45%	200/496 (40.3)	134/313 (42.8)	0.48
Need for renal replacement therapy	34/839 (4.1)	42/701 (6.0)	0.08
Major bleeding^a	15/347 (4.3)	23/357 (6.4)	0.21
CAG performed	1148 (100.0)	600/1227 (48.9)	< 0.001
PCI performed	205/248 (82.7)	129/356 (36.2)	< 0.001
CABG	8/292 (2.7)	9/392 (2.3)	0.71
Laboratory values
Lowest pH	7.2 [7.1–7.3]	7.2 [7.0–7.3]	0.003
Peak lactate, mmol/L	5.5 [3.4–9.1]	6.0 [3.4–9.5]	0.38
Peak CRP, mg/L	105 [30–201]	122 [61–200]	0.06
Peak leukocytes, ·10⁹/L	18.4 [14.3–24.2]	17.6 [13.9–23.2]	0.34
Peak CK, U/L	1604 [629–4421]	828 [296–2411]	< 0.001
Survival at hospital discharge	544/765 (71.1)	596/850 (70.1)	0.66

All data are expressed in proportions of the population with known data and percentages (%). Brackets are classified as median and interquartile ranges (IQR)
CAG coronary angiography, PCI percutaneous coronary intervention, CABG coronary artery bypass graft, CRP C-reactive protein, CK creatine kinase
^aMajor bleeding was scored using BARC classification scores ≥ 3, ranging from bleeding that is not actionable to fatal bleedings