Table 2.
Subgroups and metareg analysis of the association of admission glucose on early mortality.
| Subgroups | Number of studies | Pooled RR (95% CI) | Heterogeneity | Meta-regression (P value**) | |
|---|---|---|---|---|---|
| P value* | I2 | ||||
| Follow-up time | |||||
| Hospitalization | 6 | 5.890 (3.127, 11.095) | 0.065 | 51.8% | 0.226 |
| 30-day | 6 | 3.708 (2.784, 4.938) | 0.207 | 30.4% | |
| Ethnicity | |||||
| Yellows | 4 | 3.540 (2.255, 5.558) | 0.509 | 0.0% | 0.467 |
| Whites | 8 | 4.834 (3.226, 7.244) | 0.011 | 61.3% | |
| Mean age | |||||
| >60 years | 8 | 3.278 (2.628, 4.088) | 0.736 | 0.0% | 0.003 |
| ≤60 years | 4 | 8.482 (5.495, 13.092) | 0.561 | 0.0% | |
| Men proportion | |||||
| >75% | 6 | 6.566 (4.520, 9.537) | 0.340 | 11.8% | 0.008 |
| ≤75% | 6 | 3.129 (2.462, 3.978) | 0.652 | 0.0% | |
| Cutoff level | |||||
| >8.1 mmol/L | 5 | 4.157 (2.320, 7.451) | 0.006 | 72.2% | 0.626 |
| ≤8.1 mmol/L | 7 | 4.453 (3.367, 5.889) | 0.484 | 0.0% | |
| Sample size | |||||
| ≤1000 | 8 | 3.254 (2.466, 4.294) | 0.481 | 0.0% | 0.224 |
| >1000 | 4 | 5.583 (3.236, 9.631) | 0.014 | 71.8% | |
CI – confidence interval; RR – relative risk;
*
P<0.1 was considered significant;
**
P<0.05 was considered significant.