Table 1 Demographics and baseline clinical details of study population (n = 881).
From: Mitochondrial Haplogroup and the Risk of Acute Kidney Injury Following Cardiac Bypass Surgery
Variable | N | Median (25th–75th percentiles) | Range |
|---|---|---|---|
eGFR (ml/min/1.73 m2) | 881 | 66.0 (56.0–76.0) | 23–125 |
<60 | 290 (32.9%) | ||
≥60 < 75 | 342 (38.8%) | ||
≥75 | 249 (28.3%) | ||
BMI (kg/m2) | 881 | 29.0 (26.2–32.1) | 16–45 |
<20 | 10 (1.1%) | ||
20–25 | 133 (15.1%) | ||
>25 </=30 | 373 (42.3%) | ||
>30 | 365 (41.4%) | ||
Total bypass time (min) | 881 | 78.0 (62.0–97.0) | 5–406 |
≤60 | 197 (22.4%) | ||
>60 ≤ 100 | 489 (55.5%) | ||
>100 | 195 (22.1%) | ||
Number previous heart surgeries | 881 | 0.0 (0- 0) | 0–6 |
≥1 | 37 (4.2%) | ||
Age (years) | 881 | 68.0 (61.0–75.0) | 20–89 |
≤60 | 212 (24.1%) | ||
>60 < 75 | 444 (50.4%) | ||
≥75 | 225 (25.5%) | ||
Male gender | 613 (69.6%) | ||
Emergency surgery | 51 (5.8%) | ||
NYHA class 4 (vs. 1–3) | 74 (8.4%) | ||
Hypertensive | 575 (65.3%) | ||
Extra-cardiac arteriopathy present | 107 (12.1%) | ||
COPDa present | 77 (8.7%) | ||
Surgery type | |||
CABG alone | 431 (48.9%) | ||
Valve alone | 287 (32.6%) | ||
CABG + valve | 152 (17.3%) | ||
Other alone | 11 (1.2%) | ||
Interval from MIb to surgery | |||
No MIb or MI >30 days prior | 848 (96.3%) | ||
MI 1–30 days prior | 33 (3.7%) | ||
Cerebrovascular disease present | 102 (11.6%) | ||
Left ventricular ejection fraction (%) | |||
≥30 | 836 (94.9%) | ||
<30 | 44 (5.0%) | ||
Not measured | 1 (0.1%) | ||
Diabetes management | |||
Not diabetic | 692 (78.5%) | ||
Diet | 33 (3.7%) | ||
Oral therapy | 128 (14.5%) | ||
Insulin | 28 (3.2%) | ||
Intra-aortic balloon pump (IABP) used | 15 (1.7%) | ||
