Long-term survival in stroke patients: insights into triglyceride-glucose body mass index from ICU data

Table 3 Subgroup analyses of TyG-BMI and long-term ACM

Variable	Cases/total	HR (95% CI)	P value	P for interaction
90-day mortality
Age group				< 0.001
< 60 years	82/471	1.032 (1.008–1.057)	0.009
Over 60 years	387/1236	0.972 (0.956–0.988)	< 0.001
Sex				0.95
Female	235/761	0.987 (0.971–1.002)	0.09
Male	234/946	0.988 (0.970–1.007)	0.22
Race/ethnicity				0.09
White	251/1015	0.976 (0.958–0.995)	0.01
Others	218/692	1.000 (0.987–1.014)	0.96
HTN				0.70
No	228/784	0.984 (0.966–1.003)	0.10
Yes	241/923	0.990 (0.975–1.005)	0.19
DM				0.52
No	318/1144	0.990 (0.977–1.004)	0.17
Yes	151/563	0.978 (0.956–0.999)	0.04
180-day mortality
Age group				< 0.001
< 60 years	94/471	1.027 (1.005–1.051)	0.02
Over 60 years	429/1236	0.965 (0.949–0.980)	< 0.001
Sex				0.91
Female	257/761	0.983 (0.968–0.999)	0.04
Male	266/946	0.982 (0.964–1.001)	0.06
Race/ethnicity				0.08
White	290/1015	0.971 (0.953–0.989)	0.002
Others	233/692	0.997 (0.982–1.012)	0.67
HTN				0.59
No	259/784	0.978 (0.960–0.996)	0.02
Yes	264/923	0.987 (0.971–1.002)	0.09
DM				0.25
No	351/1144	0.988 (0.975–1.002)	0.08
Yes	172/563	0.970 (0.949–0.991)	0.005
1-year mortality
Age group				< 0.001
< 60 years	105/471	1.019 (0.998–1.041)	0.08
Over 60 years	479/1236	0.966 (0.952–0.981)	< 0.001
Sex				0.84
Female	289/761	0.980 (0.965–0.996)	0.01
Male	295/946	0.983 (0.965–1.000)	0.05
Race/ethnicity				0.06
White	325/1015	0.970 (0.953–0.987)	< 0.001
Others	259/692	0.996 (0.982–1.010)	0.58
HTN				0.91
No	292/784	0.978 (0.962–0.995)	0.01
Yes	292/923	0.984 (0.968–0.999)	0.04
DM				0.29
No	382/1144	0.987 (0.973–1.000)	0.05
Yes	202/563	0.970 (0.951–0.989)	0.002

HRs were adjusted for age, gender, ethnicity, HTN, DM, HF, thrombolysis, thrombectomy, WBC, RBC, SBP, and SOFA

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