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Table 4 Multivariable hazard ratios (HR) and 95% confidence intervals (CI) of different anthropometric indices (as categorical variables) for incident sudden cardiac death (SCD) among participants with diabetes: Tehran Lipid and Glucose Study, Iran, 1999–2018

From: Anthropometric indices and the risk of incident sudden cardiac death among adults with and without diabetes: over 15 years of follow-up in The Tehran Lipid and Glucose Study

  Quartile range E/N Model 1 Model 2
HR (95% CI) p-value HR (95% CI) p-value
BMI
 First quartile  < 25.9 kg/m2 26/297 Reference   Reference  
 Second quartile 25.9–28.5 kg/m2 25/296 0.89 (0.51–1.55) 0.684 0.86 (0.49–1.51) 0.610
 Third quartile 28.5–31.6 kg/m2 17/297 0.67 (0.36–1.24) 0.205 0.69 (0.37–1.28) 0.235
 Fourth quartile 31.6 kg/m2 ≤  18/295 0.83 (0.44–1.54) 0.546 0.68 (0.36–1.29) 0.237
 P-value for trend     0.356   0.169
WC
 First quartile  < 91 cm 23/342 Reference   Reference  
 Second quartile 91–98 cm 18/287 0.85 (0.46–1.58) 0.617 0.72 (0.39–1.35) 0.309
 Third quartile 98–105 cm 26/279 1.15 (0.65–2.02) 0.628 1.12 (0.63–1.98) 0.395
 Fourth quartile 105 cm ≤  19/277 0.89 (0.48–1.63) 0.700 0.72 (0.38–1.36) 0.316
 P-value for trend     0.970   0.640
WHR
 First quartile  < 0.90 11/299 Reference   Reference  
 Second quartile 0.90–0.95 12/298 0.87 (0.38–1.98) 0.735 0.79 (0.35–1.81) 0.583
 Third quartile 0.95–1.01 31/333 1.82 (0.89–3.70) 0.099 1.53 (0.75–3.13) 0.240
 Fourth quartile 1.01 ≤  32/255 2.27 (1.10–4.69) 0.027 1.76 (0.84–3.70) 0.137
 P-value for trend     0.003   0.033
WHtR
 First quartile  < 0.55 18/297 Reference   Reference  
 Second quartile 0.55–0.60 28/297 1.38 (0.76–2.51) 0.288 1.28 (0.70–2.33) 0.423
 Third quartile 0.60–0.65 19/297 1.01 (0.52–1.95) 0.976 0.93 (0.48–1.81) 0.827
 Fourth quartile 0.65 ≤  21/294 1.23 (0.62–2.47) 0.552 0.97 (0.48–1.95) 0.937
 P-value for trend     0.821   0.683
HC
 First quartile  < 97 cm 35/343 Reference   Reference  
 Second quartile 97–103 cm 26/302 0.93 (0.56–1.55) 0.776 1.05 (0.62–1.77) 0.848
 Third quartile 103–109 cm 13/255 0.53 (0.28–1.02) 0.059 0.57 (0.29–1.09) 0.090
 Fourth quartile 109 cm ≤  12/285 0.51 (0.26–1.03) 0.059 0.50 (0.25–0.99) 0.047
 P-value for trend     0.020   0.018
  1. E event, N number, BMI body mass index, WC waist circumference, WHR waist-to-hip ratio, WHtR waist-to-height ratio, HC hip circumference, CVD cardiovascular disease
  2. Model 1 was adjusted for age and sex. Model 2 was further adjusted for current smoking, education level, positive history of cardiovascular disease, family history of premature cardiovascular disease, hypertension, hypercholesterolemia, and FPG level