C-reactive Protein/Albumin Ratio and Acute Kidney Injury after Radical Cystectomy among Elderly Patients: A Propensity Score-Matched Analysis
Table 1
Demographic and clinical characteristics of elderly cystectomy patients.
Variables
All patients ()
Non-AKI group ()
AKI group ()
value
Sex (male)
280 (81.9)
184 (79.3)
96 (87.3)
0.098
Age (years)
0.221
Body mass index (kg/m2)
0.975
ASA physical status
0.868
≤2
294 (86.0)
200 (86.2)
94 (85.5)
3
48 (14.0)
32 (13.8)
16 (14.5)
Diabetes mellitus
79 (23.1)
56 (24.1)
23 (20.9)
0.583
Hypertension
175 (51.2)
125 (53.9)
50 (45.5)
0.165
Coronary artery disease
27 (7.9)
15 (6.5)
12 (10.9)
0.197
Cerebrovascular disease
16 (4.7)
13 (5.6)
3 (2.7)
0.286
COPD
17 (5.0)
10 (4.3)
7 (6.4)
0.431
Smoking history
0.876
Nonsmoker
169 (49.4)
117 (50.4)
52 (47.3)
Current smoker
26 (7.6)
17 (7.3)
9 (8.2)
Ex-smoker
147 (43.0)
98 (42.2)
49 (44.5)
Tumor stage
0.767
1
34 (9.9)
22 (9.5)
12 (10.9)
2
197 (57.6)
138 (59.5)
59 (53.6)
3
69 (20.2)
44 (19.0)
25 (22.7)
4
42 (12.3)
28 (12.1)
14 (12.7)
Tumor grade
>0.999
2
9 (2.6)
6 (2.6)
3 (2.7)
3
333 (97.4)
226 (97.4)
107 (97.3)
Neoadjuvant chemotherapy
78 (22.8)
59 (25.4)
19 (17.3)
0.100
Preoperative laboratory tests
White blood cells (103/μL)
0.037
Hemoglobin (g/dL)
<0.001
Platelets (103/μL)
0.209
Albumin (g/dL)
0.001
Creatinine (mg/dL)
0.032
eGFR (mL/min/1.73m2)
0.134
Sodium (mmol/L)
0.099
Potassium (mmol/L)
0.346
Chloride (mmol/L)
0.959
Uric acid (mg/dL)
0.838
CRP (mg/dL)
<0.001
CRP/albumin ratio
<0.001
Continuous variables are presented as the and categorical variables as number (%). For comparisons between the AKI and non-AKI groups. AKI: acute kidney injury; ASA: American Society of Anesthesiologists; COPD: chronic obstructive pulmonary disease; eGFR: estimated glomerular filtration rate; CRP: C-reactive protein.
