Endovascular versus Surgical Lower Extremity Revascularization among Patients with Chronic Kidney Disease
Table 1
Baseline characteristics of patients with chronic kidney disease who received a lower extremity revascularization between January 1, 2013, and January 1, 2021, stratified by type of revascularization.
Variables
Endovascular
Surgical
Maximum absolute standardized difference
N = 60,057
N = 9338
Before IPTW
After IPTW
Mean age (standard deviation), years
72.9 (10.1)
72.3 (10.4)
5.3
0.2
Female sex
26,508 (44.1%)
3747 (40.1%)
8.1
0.4
Race and ethnicity
Asian
1225 (2.0%)
158 (1.7%)
3.0
0.4
Black
10,665 (17.8%)
1448 (15.5%)
6.5
1.0
Hispanic
8457 (14.1%)
929 (10.0%)
13.3
0.3
White
36,542 (60.9%)
6318 (67.7%)
15.5
1.1
Missing
3168 (5.3%)
485 (5.2%)
—
—
Comorbid conditions
Coronary artery disease
33,210 (55.3%)
5361 (57.4%)
4.3
1.5
Peripheral artery disease
45,333 (75.5%)
7072 (75.7%)
Cerebral vascular disease
13,724 (22.9%)
2185 (23.4%)
1.3
1.2
Congestive heart failure
19,996 (33.3%)
3204 (34.3%)
2.1
0.6
Valvular disease
9434 (15.7%)
1804 (19.3%)
9.5
0.3
Hypertension, uncomplicated
52,376 (87.2%)
8065 (86.4%)
2.5
1.1
Hypertension, complicated
30,607 (51.0%)
4450 (47.7%)
6.6
0.9
Pulmonary circulation disorder
2973 (5.0%)
450 (4.8%)
0.6
0.4
Diabetes without chronic complications
32,496 (54.1%)
4368 (46.8%)
14.7
0.7
Diabetes with chronic complications
35,754 (59.5%)
4571 (49.0%)
21.4
0.4
Chronic pulmonary disease
17,974 (29.9%)
3314 (35.5%)
11.9
1.0
Liver disease
2689 (4.5%)
453 (4.9%)
1.8
0.2
Chronic peptic ulcer disease
1082 (1.8%)
218 (2.3%)
3.7
0.5
Neurological
8540 (14.2%)
1306 (14.0%)
0.7
0.4
Hypothyroidism
10,136 (16.9%)
1425 (15.3%)
4.4
0.6
HIV and AIDS
224 (0.4%)
39 (0.4%)
0.7
0.4
Lymphoma
679 (1.1%)
121 (1.3%)
1.5
0.4
Metastatic cancer
1081 (1.8%)
194 (2.1%)
2.0
0.2
Solid tumor without metastasis
5763 (9.6%)
1043 (11.2%)
5.2
0.1
Rheumatoid arthritis/collagen vascular diseases
3552 (5.9%)
512 (5.5%)
1.9
0.1
Obesity
12,713 (21.2%)
1805 (19.3%)
4.6
0.3
Weight loss
5106 (8.5%)
922 (9.9%)
4.8
0.3
Fluid and electrolyte disorders
20,759 (34.6%)
3417 (36.6%)
4.2
0
Coagulation deficiency
6313 (10.5%)
1130 (12.1%)
5.0
1.2
Blood loss anemia
2259 (3.8%)
431 (4.6%)
4.3
0.1
Deficiency anemia
23,182 (38.6%)
3340 (35.8%)
5.9
0.5
Alcohol abuse
1575 (2.6%)
355 (3.8%)
6.7
0.3
Drug abuse
1331 (2.2%)
251 (2.7%)
3.1
0.3
Psychoses
2573 (4.3%)
446 (4.8%)
2.4
0.2
Depression
9424 (15.7%)
1519 (16.3%)
1.6
0.3
Paralysis
3136 (5.2%)
458 (4.9%)
1.4
0.1
All values are N (%) except where indicated. Standardized differences are estimated from the maximum absolute difference between the endovascular and surgical covariates for the 5 imputed datasets. IPTW = inverse probability of treatment weighting.
