Predictive value of preoperative shock index for postoperative outcomes in traumatic splenic rupture patients undergoing splenectomy

doi:10.4240/wjgs.v18.i4.117517

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World Journal of Gastrointestinal Surgery

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1948-9366

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Study

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 Gastrointest Surg. Apr 27, 2026; 18(4): 117517
Published online Apr 27, 2026. doi: 10.4240/wjgs.v18.i4.117517

Table 5 Comparison of surgery-related indicators among three groups, n (%)/mean ± SD/median (interquartile range)

Indicator	Low SI group (n = 78)	Moderate SI group (n = 89)	High SI group (n = 45)	Statistic	P value	Effect size	Pairwise comparison P values²
Surgical timing				χ² = 25.67¹	< 0.001	Cramer’s V = 0.348	P = 0.009³, P < 0.001⁴, P = 0.003⁵
Emergency surgery (< 4 hours)	28 (35.9)	52 (58.4)	38 (84.4)
Delayed surgery (≥ 4 hours)	50 (64.1)	37 (41.6)	7 (15.6)
Surgical approach				χ² = 9.847	0.007	Cramer’s V = 0.216	P = 0.042³, P = 0.003⁴, P = 0.132⁵
Open splenectomy	58 (74.4)	78 (87.6)	43 (95.6)
Laparoscopic splenectomy	20 (25.6)	11 (12.4)	2 (4.4)
Operative time (minutes)	128.4 ± 32.6	156.7 ± 41.2	167.8 ± 35.4	F = 23.1	< 0.001	η² = 0.181	P < 0.001³, P < 0.001⁴, P = 0.132⁵
Intraoperative blood loss (mL)	485.3 ± 124.7	732.6 ± 186.4	1126.8 ± 268.9	F = 152.3	< 0.001	η² = 0.593	P < 0.001³, P < 0.001⁴, P < 0.001⁵
Intraoperative transfusion volume
Red blood cells (U)	2.3 ± 1.8	4.6 ± 2.4	7.8 ± 3.2	F = 78.9	< 0.001	η² = 0.430	P < 0.001³, P < 0.001⁴, P < 0.001⁵
Plasma (mL)	186.4 ± 142.3	324.7 ± 198.6	542.8 ± 256.4	F = 48.6	< 0.001	η² = 0.317	P < 0.001³, P < 0.001⁴, P < 0.001⁵
Platelets (U)	0.2 (0-1.0)	0.5 (0-1.5)	1.0 (0-3.0)	H = 18.4	< 0.001	ε² = 0.087	P = 0.042³, P < 0.001⁴, P = 0.015⁵
Intraoperative blood pressure maintenance				χ² = 37.89¹	< 0.001	Cramer’s V = 0.423	P < 0.001³, P < 0.001⁴, P = 0.006⁵
Stable (SBP ≥ 90 mmHg)	68 (87.2)	52 (58.4)	12 (26.7)
Unstable (SBP < 90 mmHg)	10 (12.8)	37 (41.6)	33 (73.3)
Vasoactive drug use	12 (15.4)	34 (38.2)	32 (71.1)	χ² = 29.58¹	< 0.001	Cramer’s V = 0.373	P = 0.003³, P < 0.001⁴, P < 0.001⁵

¹Linear trend χ² test.

²Pairwise comparisons corrected α = 0.0167, continuous variables using Türkiye honestly significant difference test, categorical variables using Bonferroni-corrected paired χ² test, non-parametric variables using Dunn-Bonferroni test.

³Low shock index group vs moderate shock index group.

⁴Low shock index group vs high shock index group.

⁵Moderate shock index group vs high shock index group.

SBP: Systolic blood pressure; SI: Shock index.

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Citation: Wang ZJ, Zheng CM, Zhou JH. Predictive value of preoperative shock index for postoperative outcomes in traumatic splenic rupture patients undergoing splenectomy. World J Gastrointest Surg 2026; 18(4): 117517
URL: https://www.wjgnet.com/1948-9366/full/v18/i4/117517.htm
DOI: https://dx.doi.org/10.4240/wjgs.v18.i4.117517

Wang ZJ, Zheng CM, Zhou JH. Predictive value of preoperative shock index for postoperative outcomes in traumatic splenic rupture patients undergoing splenectomy. World J Gastrointest Surg 2026; 18(4): 117517 [DOI: 10.4240/wjgs.v18.i4.117517]

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