Table 1 The characteristics of the included patients
Variables | Total | CT first | PoCUS first | p-Value‡ |
|---|---|---|---|---|
(n = 1627) | (n = 1363) | (n = 264) | ||
Age, years* | 61 (47–73) | 61 (48–74) | 59 (45–71) | 0.020 |
Male, n (%) | 940 (58) | 783 (57) | 157 (60) | 0.542 |
Comorbidity, n (%) | ||||
Hypertension | 592 (37) | 506 (37) | 86 (33) | 0.153 |
Diabetes mellitus | 391 (24) | 338 (25) | 53 (20) | 0.099 |
Malignancy | 229 (14) | 203 (15) | 26 (10) | 0.031 |
Coronary artery disease | 197 (12) | 169 (12) | 28 (11) | 0.423 |
Chronic kidney disease | 104 (6) | 88 (7) | 16 (6) | 0.806 |
Cerebrovascular disease | 112 (7) | 97(7) | 15 (6) | 0.398 |
Congestive heart failure | 64 (4) | 57 (4) | 7 (3) | 0.24 |
RUQ pain, n (%) | 987 (63) | 821 (63) | 166 (64) | 0.582 |
Pain duration, days* | 2 (1–3) | 2 (1–3) | 2 (1–3) | 0.566 |
Fever, n (%) | 463 (28) | 411 (30) | 52 (20) | < 0.001 |
Laboratory data* | ||||
WBC, 103/μL | 11.36 (8.32–14.69) | 11.32 (8.29–14.84) | 11.40 (8.46–14.46) | 0.798 |
CRP, mg/dL | 5.56 (1.29–16.52) | 6.08 (1.40–16.83) | 3.17 (0.72–11.43) | 0.128 |
Total bilirubin, mg/dL | 0.95 (0.61–1.66) | 0.96 (0.61–1.68) | 0.94 (0.61–1.61) | 0.078 |
Weekend/holiday visit, n (%) | 459 (28) | 388 (29) | 71 (27) | 0.603 |
Nightshift visit, n (%) | 824 (51) | 666 (49) | 158 (60) | 0.001 |
Door-to-physician time, mins* | 19 (13–28) | 19 (13–28) | 20 (13–28) | 0.908 |
Door-to-PoCUS† time, mins* | 167.5 (46–1061) | 1063 (407–2056)§ | 55.5 (30–128) | < 0.001 |
Door-to-CT† time, mins* | 146 (94–258) | 143 (93–240) | 184.5 (106–459) | 0.001 |
Time to surgical consultation, hrs* | 7.1 (4.6–11.9) | 6.9 (4.6–11.5) | 7.7 (4.7–13.8) | 0.108 |
Patients receiving PTC†, n (%) | 478 (29) | 410 (30) | 68 (26) | 0.154 |
Door-to-drainage time, hrs* | 16.8 (8.9–26.0) | 16.7 (8.8–24.8) | 17.3 (9.7–33.2) | 0.862 |
Emergency cholecystectomy, n (%) | 292 (18) | 246 (18) | 46 (18) | 0.817 |
ED Length of stay, hrs* | 36.1 (15.3–64.3) | 35.9 (15.3–64.3) | 38.1 (15.3–64.8) | 0.724 |