Table 1 Cohort characteristics
From: Test characteristics of point-of-care ultrasonography in patients with acute kidney injury
N = 94 | |
|---|---|
Age in years, mean (SD) | 72 (15) |
Sex, N (%) | |
Male | 64 (66%) |
Baseline creatinine (umol/L) [N = 72], median (IQR) | 107 (84–150) |
Creatinine on presentation (umol/L) [N = 94], median (IQR) | 275 (197–482) |
Comorbidities (Charlson index), N (%) | |
Diabetes mellitus | 382 (40%) |
Non-metastatic malignancy | 21 (22%) |
Renal disease | 20 (21%) |
Liver disease | 6 (6%) |
Congestive heart failure | 11 (12%) |
Metastatic malignancy | 5 (5%) |
ED primary diagnosis, N (%) | |
Acute kidney injury | 33 (35%) |
Urinary tract infection | 13 (14%) |
Sepsis NYD | 12 (13%) |
Congestive heart failure | 5 (5%) |
Pneumonia | 3 (3%) |
Delirium/AMS | 3 (3%) |
Nephrolithiasis | 3 (3%) |
Ureteric obstruction | 1 (1%) |
Prostate mass | 1 (1%) |
Other | 20 (21%) |
Admission service N (%) | |
Internal or family medicine | 55 (58%) |
Nephrology | 13 (14%) |
Urology | 12 (13%) |
Critical care | 4 (4%) |
Other | 10 (11%) |
POCUS user specialty and credentials N (%) | N = 44 |
EM attending, credentialed | 15 (34%) |
EM resident, credentialed | 17 (39%) |
EM resident, non-credentialed | 4 (9%) |
Consultant, non-credentialed | 8 (18%) |
Reference standard [N = 65] | |
CT | 44 (67%) |
RADUS | 21 (33%) |
Time from POCUS to reference standard [N = 65] | |
CT, median (IQR) | 2 h 54 m (1 h 44 m–9 h 38 m) |
RADUS, median (IQR) | 11 h 38 m (9 h 00 m–24 h 45 m) |
Foley insertion [N = 65] | 31 (48%) |