Table 1 The characteristics of the included patients
From: Earlier point-of-care ultrasound, shorter length of stay in patients with acute flank pain
Total (n = 888) | PoCUS†≤120 min (n = 720) | PoCUS > 120 min (n = 168) | p-value‡ | |
|---|---|---|---|---|
Age, years* | 51(39, 62) | 51 (40, 62) | 52 (37, 61) | 0.857 |
Male, n (%) | 495 (55.7%) | 396 (55.0%) | 99 (58.9%) | 0.356 |
Body mass index* | 24.2 (21.7, 27.4) | 24.1 (21.7, 27.3) | 24.7 (21.7, 27.6) | 0.211 |
Comorbidity | ||||
Hypertension | 190 (21.4%) | 150 (20.8%) | 40 (23.8%) | 0.397 |
Diabetes mellitus | 103 (11.6%) | 84 (11.7%) | 19 (11.3%) | 0.896 |
Hyperlipidemia | 72 (8.1%) | 59 (8.2%) | 13 (7.7%) | 0.845 |
Chronic kidney disease | 34 (3.8%) | 28 (3.9%) | 6 (3.6%) | 0.847 |
Coronary artery disease | 46 (5.2%) | 33 (4.6%) | 13 (7.7%) | 0.097 |
Malignancy | 59 (6.6%) | 49 (6.8%) | 10 (6.0%) | 0.689 |
Vital signs | ||||
Systolic blood pressure, mm-Hg* | 141 (127, 159) | 141 (126, 160) | 142 (127, 155) | 0.987 |
Diastolic blood pressure, mm-Hg* | 80 (71, 90) | 81 (71, 90) | 80 (70, 90) | 0.506 |
Heart rate, per min* | 82 (72, 94) | 82 (71, 94) | 82 (73, 94) | 0.639 |
SpO2, %* | 98 (96, 99) | 98 (96, 99) | 98 (96, 99) | 0.174 |
Weekend/holiday visits, n (%) | 291 (32.8%) | 230 (31.9%) | 61 (36.3%) | 0.278 |
Dayshift visits, n (%) | 429 (48.3%) | 349 (48.5%) | 80 (47.6%) | 0.842 |
Door to Physician time, min* | 19 (16,23) | 19 (16, 23) | 21(16, 26) | 0.068 |
Door to X-ray time, min* | 39 (27, 59) | 38 (27, 59) | 43 (30, 61) | 0.117 |
Door to US† time, min* | 35 (20, 82) | 30 (18, 52) | 168 (144, 237) | < 0.0001 |
Door to urinalysis time, min* | 59 (42, 90) | 60 (42, 89) | 57 (43, 94) | 0.267 |
Patients receiving CT†, n (%) | 129 (14.5%) | 97 (13.5%) | 32 (19.0%) | 0.065 |
Length of stay, min* | 146 (100, 255) | 128 (95,221) | 217 (161,625) | < 0.0001 |
ED† discharge, n (%) | 805 (90.7%) | 655 (91.0%) | 150 (89.3%) | 0.499 |