Nomogram integrating systemic immune-inflammation index and blood lipid ratio to predict postoperative gastrointestinal dysfunction in elderly gallstone patients

Table 4 Comparison of clinical data between the poor and good gastrointestinal function groups in the validation cohort, mean ± SD/n (%)

Indicator		Poor GI function group (n = 16)	Good GI function group (n = 21)	t/χ2	P value
Age (years)		70.06 ± 6.61	68.62 ± 4.90	0.7611	0.451
Gender	Female	11 (68.75)	15 (71.43)	0.0312	0.859
	Male	5 (31.25)	6 (28.57)
Body mass index	< 18.5 kg/m2	6 (37.50)	7 (33.33)	0.0892	0.957
	18.5-24.0 kg/m2	6 (37.50)	8 (38.10)
	> 24.0 kg/m2	4 (25.00)	6 (28.57)
History of alcohol consumption		6 (37.50)	13 (61.90)	2.1652	0.141
Breakfast habit		6 (37.50)	15 (71.43)	4.2592	0.052
Exercise habit		6 (37.50)	11 (52.38)	0.8102	0.368
Stone diameter	≤ 1 cm	8 (50.00)	11 (52.38)	0.0212	1.000
	> 1 cm	8 (50.00)	10 (47.62)
Stone number	1 stone	5 (31.25)	12 (57.14)	2.4512	0.185
	> 3 stone	11 (68.75)	9 (42.86)
TC (mmol/L)		5.37 ± 0.24	4.89 ± 0.15	7.3871	0.000
HDL-C (mmol/L)		1.29 ± 0.16	1.35 ± 0.14	1.2061	0.236
SII		488.90 ± 17.59	450.76 ± 18.93	6.2571	0.000
TC/HDL-C		4.22 ± 0.63	3.65 ± 0.45	3.1671	0.000
Gallbladder wall thickness	> 5 mm	10 (62.50)	5 (23.81)	5.6392	0.023
	≤ 5 mm	6 (37.50)	16 (76.19)
Operation time (minutes)		38.94 ± 8.93	35.37 ± 6.59	2.1871	0.031
Neutrophil count (× 109/L)		3.89 ± 0.34	3.68 ± 0.16	2.4981	0.017
Lymphocyte count (× 109/L)		1.58 ± 0.12	1.42 ± 0.28	2.1361	0.040
Platelet count (× 109/L)		191.32 ± 14.79	180.69 ± 19.83	1.7951	0.081
TG (mmol/L)		1.52 ± 0.27	1.37 ± 0.24	1.7621	0.087
LDL-C (mmol/L)		3.15 ± 0.26	3.02 ± 0.35	1.1631	0.253
Time to ambulation after surgery	< 1 day	6 (37.50)	17 (80.95)	7.2902	0.015
	≥ 1 days	10 (62.50)	4 (19.05)

¹t-test.

²χ² test.

TC: Total cholesterol; HDL-C: High-density lipoprotein cholesterol ratio; SII: Systemic immune-inflammation index; TG: Triglycerides; LDL-C: Low-density lipoprotein cholesterol; GI: Gastrointestinal.