Joint association of triglyceride glucose index (TyG) and body roundness index (BRI) with stroke incidence: a national cohort study

Table 4 Subgroup analysis for the association of the TyG index and BRI on stroke risk

	Low TyG and low BRI	High TyG and low BRI	Low TyG and High BRI	High TyG and high BRI	P for interaction
Age (years)					0.808
< 60	Ref	1.41 (1.00–2.03)	1.56 (1.08–2.24)	1.82 (1.28–2.58)
≥ 60	Ref	1.35 (0.95–1.94)	1.67 (1.21–2.30)	1.71 (1.24–2.38)
Sex					0.505
Female	Ref	1.26 (0.84–1.91)	1.53 (1.08–2.17)	1.73 (1.21–2.46)
Male	Ref	1.35 (0.97–1.87)	1.54 (1.10–2.16)	1.80 (1.30–2.48)
Smoking					0.787
No	Ref	1.25 (0.86–1.83)	1.54 (1.11–2.14)	1.84 (1.33–2.56)
Yes	Ref	1.38 (0.97–1.95)	1.63 (1.14–2.33)	1.64 (1.16–2.33)
Drinking					0.853
No	Ref	1.41 (0.97–2.03)	1.79 (1.29–2.49)	1.98 (1.42–2.76)
Yes	Ref	1.32 (0.92–1.89)	1.42 (0.99–2.03)	1.59 (1.13–2.25)
Residence					0.938
City	Ref	1.60 (0.99–2.59)	1.73 (1.11–2.70)	1.97 (1.28–3.03)
Rural	Ref	1.30 (0.96–1.75)	1.59 (1.20–2.12)	1.72 (1.29–2.29)
Education					0.273
Junior high school and below	Ref	1.29 (0.99–1.68)	1.49 (1.16–1.91)	1.65 (1.29–2.12)
Senior high school and above	Ref	2.84 (1.07–7.56)	4.02 (1.61–10.01)	4.16 (1.61–10.71)
Diabetes					0.172
No	Ref	1.44 (1.09–1.89)	1.66 (1.30–2.13)	1.68 (1.30–2.18)
Yes	Ref	1.20 (0.53–2.71)	1.22 (0.47–3.12)	2.10 (0.98–4.52)
Hypertension					0.639
No	Ref	1.38 (0.96–1.99)	1.76 (1.24–2.50)	1.69 (1.18–2.43)
Yes	Ref	1.39 (0.96–2.00)	1.52 (1.09–2.13)	1.80 (1.29–2.49)
Dyslipidemia					0.246
No	Ref	1.58 (1.09–2.31)	1.76 (1.31–2.36)	2.09 (1.49–2.93)
Yes	Ref	1.03 (0.71–1.50)	1.20 (0.79–1.83)	1.39 (0.98–1.97)

ISSN: 1475-2840