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

Table 2 Comparison of clinical data between the poor and good gastrointestinal function groups in the modeling cohort, mean ± SD/n (%)

Indicator		Poor GI function group (n = 37)	Good GI function group (n = 49)	t/χ2	P value
Age (years)		69.46 ± 7.20	69.73 ± 6.28	0.1851	0.853
Gender	Female	25 (67.57)	29 (59.18)	0.6342	0.426
	Male	12 (32.43)	20 (40.82)
Body mass index	< 18.5 kg/m2	12 (32.43)	14 (28.57)	0.1662	0.920
	18.5-24.0 kg/m2	14 (37.84)	19 (38.78)
	> 24.0 kg/m2	11 (29.73)	16 (32.65)
History of alcohol consumption		15 (40.54)	30 (61.22)	3.6162	0.057
Breakfast habit		16 (43.24)	28 (57.14)	1.6302	0.202
Exercise habit		19 (51.35)	30 (61.22)	0.8382	0.360
Stone diameter	≤ 1 cm	20 (54.05)	28 (57.14)	0.0822	0.775
	> 1 cm	17 (45.95)	21 (42.86)
Stone number	1 stone	24 (64.86)	28 (57.14)	0.5262	0.468
	> 3 stone	13 (35.14)	21 (42.86)
TC (mmol/L)		5.16 ± 0.37	4.94 ± 0.26	2.9311	0.005
HDL-C (mmol/L)		1.28 ± 0.19	1.32 ± 0.10	1.4091	0.165
SII		494.04 ± 26.74	450.89 ± 20.41	8.7701	0.000
TC/HDL-C		4.16 ± 1.00	3.75 ± 0.40	2.3751	0.022
Gallbladder wall thickness	> 5 mm	23 (62.16)	11 (22.45)	28.2172	0.002
	≤ 5 mm	14 (37.84)	38 (77.55)
Operation time (minutes)			32.71 ± 1.08	3.1281	0.003
Neutrophil count (× 109/L)			3.26 ± 0.24	7.9521	0.000
Lymphocyte count (× 109/L)			1.32 ± 0.21	2.6781	0.009
Platelet count (× 109/L)			188.83 ± 24.95	0.9121	0.364
TG (mmol/L)			1.29 ± 0.18	1.9031	0.060
LDL-C (mmol/L)			2.84 ± 0.37	1.6981	0.093
Time to ambulation after surgery	< 1 day	16 (43.24)	37 (75.51)	9.2822	0.002
	≥ 1 days	21 (56.76)	12 (24.49)

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.