Quantifying abdominal abscess burden using area under the curve methods inspired by dehiscence, infection/inflammation, seroma, hematoma classification

doi:10.5528/wjtm.125063

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World Journal of Translational Medicine

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2220-6132

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Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Transl Med. Nov 28, 2026; 12(4): 125063
Published online Nov 28, 2026. doi: 10.5528/wjtm.125063

Table 2 Comparisons between the high- and low-area-under-the-curve groups, n (%)

Characteristics	Variable coding	High-AUC (n = 16)	Low-AUC (n = 43)	Odds ratio (95%CI)	P value
Age, years, median (IQR)	Per 1-year	74 (69.3-76.3)	68 (55.0-75.5)	1.04 (1.00-1.10)	0.0653
Male	Yes/No	9 (56.3)	27 (62.8)	1.31 (0.40-4.22)	0.7661
ASA score	III, IV/I, II	5 (31.3)	8 (18.6)	1.99 (0.51-7.31)	0.3106
Smoker	Yes/No	6 (37.5)	26 (60.5)	0.39 (0.11-1.25)	0.1473
Diabetes mellitus	Yes/No	8 (50.0)	7 (16.3)	5.14 (1.46-19.2)	0.0161
BMI, kg/m², median (IQR)	Per 1-unit	22.3 (20.3-24.7)	22.2 (20.5-24.3)	0.94 (0.77-1.10)	0.8036
Malnutrition (GLIM criteria)	Yes/No	2 (12.5)	5 (11.6)	1.08 (0.14-5.70)	1.0000
Malignancy	Yes/No	9 (56.3)	16 (37.21)	2.17 (0.68-7.19)	0.2410
Emergency	Yes/No	6 (37.5)	30 (69.77)	0.26 (0.07-0.84)	0.0358
Laparotomy	Yes/No	5 (31.3)	7 (16.3)	2.34 (0.59-8.89)	0.2766
Operative time, minutes, median (IQR)	Per 1-minute	198 (122.8-266.8)	144 (78.5-271.5)	1.00 (0.97-1.01)	0.2228
Intraoperative blood loss, mL, median (IQR)	Per 1-mL	80 (25-115)	15 (5-40)	1.00 (1.00-1.01)	0.0074
Intraoperative drain placement	Yes/No	9 (56.3)	24 (55.8)	0.90 (0.28-3.01)	1.0000
Infected operation	Yes/No	9 (56.3)	25 (58.1)	0.93 (0.29-3.03)	1.0000
Time to abscess diagnosis, days, meidan (IQR)	Per 1-day	9.5 (5.8-12.5)	7 (5.0-9.0)	1.09 (1.00-1.22)	0.0915
Diameter of abscess > 5 cm	Yes/No	11 (68.8)	15 (34.9)	4.11 (1.25-15.2)	0.0371
Multiple abscesses	Yes/No	2 (12.5)	10 (23.3)	0.47 (0.07-2.09)	0.4822
Postoperative hospital stays, days, median (IQR)	Per 1-day	24 (17.8-32.0)	17 (11.5-21.5)	1.07 (1.01-1.14)	0.0070
Duration of antibiotics, days, median (IQR)	Per 1-day	17 (13.3-21.3)	9 (7.0-13.0)	1.26 (1.11-1.51)	0.0003
Abscess to discharge, days, median (IQR)	Per 1-day	16 (13.8-25.3)	11 (8.5-16.0)	1.08 (1.02-1.16)	0.0074

Time to abscess diagnosis: Number of days from surgery to abscess diagnosis; abscess to discharge: Number of days from abscess diagnosis to hospital discharge; AUC: Area under the curve; ASA: American Society of Anesthesiologists; BMI: Body mass index; GLIM: Global Leadership Initiative on Malnutrition; IQR: Interquartile range.

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Citation: Tanisawa Y, Fujino S, Kimura T, Yoneda N, Nagae A, Sawada G, Moon JH, Fukunaga H, Morimoto O, Morita S. Quantifying abdominal abscess burden using area under the curve methods inspired by dehiscence, infection/inflammation, seroma, hematoma classification. World J Transl Med 2026; 12(4): 125063
URL: https://www.wjgnet.com/2220-6132/full/v12/i4/125063.htm
DOI: https://dx.doi.org/10.5528/wjtm.125063

Tanisawa Y, Fujino S, Kimura T, Yoneda N, Nagae A, Sawada G, Moon JH, Fukunaga H, Morimoto O, Morita S. Quantifying abdominal abscess burden using area under the curve methods inspired by dehiscence, infection/inflammation, seroma, hematoma classification. World J Transl Med 2026; 12(4): 125063 [DOI: 10.5528/wjtm.125063]

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