Table 2 Subgroup analyses of associations between hypertension and deep vein thrombosis after orthopedics surgery
From: Association between hypertension and deep vein thrombosis after orthopedic surgery: a meta-analysis
Classification | Item | N | I 2 (%) | P | Model | OR [95 % CI] |
|---|---|---|---|---|---|---|
Regional distribution | Western China | 4 | 0 | 0.9498 | F | 3.89 [2.85–5.30] |
Central China | 3 | 71.5 | 0.0298 | R | 2.70 [1.32–5.52] | |
Eastern China | 9 | 53.9 | 0.0268 | R | 3.95 [2.92–5.33] | |
The proportion of including | N < 500 | 13 | 0 | 0.8881 | F | 3.37 [2.63–4.31] |
N ≥ 500 | 3 | 91.5 | <0.0001 | R | 2.23 [1.14–4.34] |