Variables
|
Adult (≥ 18 years) (n= 373)
|
AKI
(n= 107)
|
No AKI
(n= 266)
|
Significance
|
Age category |
|
|
|
0.004 |
< 50 years |
114 (30.6%) |
21 (19.6%) |
93 (35.0%) |
|
50-59 years |
115 (30.8%) |
33 (30.8%) |
82 (30.8%) |
|
60-69 years |
106 (28.4%) |
35 (32.7%) |
71 (26.7%) |
|
≥ 70 years |
38 (10.2%) |
18 (16.8%) |
20 (7.5%) |
|
Gender |
|
|
|
|
Male |
301 (80.7%) |
83 (77.6%) |
218 (82.0%) |
0.384 |
Female |
72 (19.3%) |
24 (22.4%) |
48 (18.0%) |
|
Nationality |
|
|
|
0.143 |
Saudi |
41 (11.0%) |
16 (15.0%) |
25 (9.4%) |
|
Non-Saudi |
332 (89.0%) |
91 (85.0%) |
241 (90.6%) |
|
Type of Surgery |
|
|
|
0.235 |
Adult congenital |
92 (24.7%) |
18 (16.8%) |
74 (27.8%) |
|
Valve repair |
16 (4.3%) |
5 (4.7%) |
11 (4.1%) |
|
Valve replacement |
57 (15.3%) |
15 (14.0%) |
42 (15.8%) |
|
coronary artery bypass graft |
205 (55.0%) |
68 (63.6%) |
137 (51.5%) |
|
Combined (CABG+Valve repair) |
1 (0.3%) |
- |
1 (0.4%) |
|
Combined (CABG+Valve replacement) |
2 (0.5%) |
1 (0.9%) |
1 (0.4%) |
|
Valve type |
|
|
|
0.588 |
Mechanical |
49 (13.1%) |
12 (11.2%) |
37 (13.9%) |
|
Biologic |
10 (2.7%) |
4 (3.7%) |
6 (2.3%) |
|
Number of grafts |
|
|
|
0.046 |
1 |
33 (8.8%) |
13 (12.1%) |
20 (7.5%) |
|
2 |
81 (21.7%) |
30 (28.0%) |
51 (19.2%) |
|
3 |
78 (20.9%) |
19 (17.8%) |
59 (22.2%) |
|
4 |
16 (4.3%) |
7 (6.5%) |
9 (3.4%) |
|
Cardiac pulmonary bypass (min) |
112.00 (89.50-138.00) |
122.0
(96.0-158.0) |
108.5 (87.0-130.25) |
0.003 |
Aortic cross clamp (min) |
67.50 (54.00-92.00) |
72.0 (58.5-100.0) |
66.0 (53.0-89.0) |
0.051 |
Case Urgency |
|
|
|
0.384 |
Elective |
307 (82.3%) |
92 (86.0%) |
215 (80.8%) |
|
Emergent |
64 (17.2%) |
15 (14.0%) |
49 (18.4%) |
|
Urgent |
2 (0.5%) |
- |
2 (0.8%) |
|
Smoking |
93 (24.9%) |
25 (23.4%) |
68 (25.6%) |
0.693 |
Pre-existing hypertension |
175 (46.9%) |
62 (57.9%) |
113 (42.5%) |
0.008 |
Pre-existing diabetes mellitus |
147 (39.4%) |
48 (44.9%) |
99
(37.2%) |
0.196 |
Pre-operative creatinine (mg/dl) |
0.97 (0.80-1.17) |
1.11 (0.81-1.29) |
0.95 (0.79-1.10) |
0.0001 |
Post-operative creatinine (mg/dl) |
1.01 (0.78-1.40) |
1.84 (1.42-2.62) |
0.90 (0.72-1.08) |
0.0001 |
Difference between Pre- and Post- operative creatinine (mg/dl) |
0.06
(-0.11-0.40) |
0.67 (0.47-1.18) |
-0.04 (-0.15-0.09) |
0.0001 |
Percentage changes creatinine (%) |
106.17 (87.17-141.50) |
162.71
(147.91-223.58) |
95.70 (82.67-109.03) |
0.0001 |
Death within index hospitalization |
21 (5.6%) |
14 (13.1%) |
7
(2.6%) |
0.0001 |
Stages of AKI |
|
|
|
|
Stage I |
|
73 (68.2%) |
|
|
Stage II |
|
20 (18.7%) |
|
|
Stage III |
|
14 (13.1%) |
|
|