Table 2 Subgroup analysis of the meta-analysis for the risk of ischemic stroke
From: The impact of triglyceride-glucose index on ischemic stroke: a systematic review and meta-analysis
Analysis | Fixed-effect model | Random-effect model | I-squared (%) | P(Q-text) | Model | ||
|---|---|---|---|---|---|---|---|
Effect value (95% CI) | P (z-text) | Effect value (95% CI) | P (z-text) | ||||
Country | 1.245 1.196 1.296 |  < 0.001 | 1.371 1.220 1.540 |  < 0.001 | 74.10 |  < 0.001 | Random model |
 China | 1.248 1.196 1.301 |  < 0.001 | 1.421 1.234 1.637 |  < 0.001 | 77.80 |  < 0.001 | Random model |
 European | 1.220 1.062 1.402 | 0.005 | 1.220 1.062 1.402 | 0.005 | – | – | – |
Study desgin | 1.245 1.196 1.296 |  < 0.001 | 1.371 1.220 1.540 |  < 0.001 | 74.10 |  < 0.001 | Random model |
 Cohort study | 1.236 1.186 1.287 |  < 0.001 | 1.320 1.182 1.475 |  < 0.001 | 70.60 | 0.002 | Random model |
 Cross-sectional study | 1.776 1.353 2.332 |  < 0.001 | 1.776 1.353 2.332 |  < 0.001 | – | – | – |
Male% | 1.245 1.196 1.296 |  < 0.001 | 1.371 1.220 1.540 |  < 0.001 | 74.10 |  < 0.001 | Random model |
  ≥ 50% | 1.230 1.178 1.283 |  < 0.001 | 1.300 1.144 1.477 |  < 0.001 | 72.50 | 0.006 | Random model |
  < 50% | 1.371 1.219 1.542 |  < 0.001 | 1.568 1.140 2.158 | 0.006 | 79.20 | 0.008 | Random model |
Mean age | 1.245 1.196 1.296 |  < 0.001 | 1.371 1.220 1.540 |  < 0.001 | 74.10 |  < 0.001 | Random model |
  ≥ 65 years | 2.450 1.157 5.187 | 0.019 | 2.450 1.157 5.187 | 0.019 | – | – | - |
  < 65 years | 1.243 1.194 1.294 |  < 0.001 | 1.349 1.205 1.511 |  < 0.001 | 74.90 | 0.001 | Random model |
Sample size | 1.245 1.196 1.296 |  < 0.001 | 1.371 1.220 1.540 |  < 0.001 | 74.10 |  < 0.001 | Random model |
  ≥ 50,000 | 1.226 1.177 1.277 |  < 0.001 | 1.262 1.147 1.390 |  < 0.001 | 73.40 | 0.010 | Random model |
  < 50,000 | 1.843 1.501 2.264 |  < 0.001 | 1.843 1.501 2.264 |  < 0.001 | 0.00 | 0.740 | Fixed model |
Study time | 1.245 1.196 1.296 |  < 0.001 | 1.371 1.220 1.540 |  < 0.001 | 74.10 |  < 0.001 | Random model |
  ≥ 5 years | 1.234 1.183 1.288 |  < 0.001 | 1.334 1.161 1.532 |  < 0.001 | 82.50 | 0.001 | Random model |
  < 5 years | 1.340 1.187 1.512 |  < 0.001 | 1.528 1.119 2.086 | 0.008 | 64.10 | 0.039 | Random model |
Participants | 1.245 1.196 1.296 |  < 0.001 | 1.371 1.220 1.540 |  < 0.001 | 74.10 |  < 0.001 | Random model |
 Community | 1.243 1.194 1.294 |  < 0.001 | 1.352 1.203 1.519 |  < 0.001 | 79.10 |  < 0.001 | Random model |
 Hospital | 1.904 1.065 3.404 | 0.030 | 1.895 1.033 3.476 | 0.039 | 7.80 | 0.298 | Fixed model |
High quality | 1.245 1.196 1.296 |  < 0.001 | 1.371 1.220 1.540 |  < 0.001 | 74.10 |  < 0.001 | Random model |
 Yes | 1.239 1.188 1.291 |  < 0.001 | 1.373 1.195 1.579 |  < 0.001 | 83.0 |  < 0.001 | Random model |
 No | 1.332 1.150 1.544 |  < 0.001 | 1.430 1.040 1.966 | 0.028 | 24.1 | 0.268 | Fixed model |