Table 2 Sub-group analysis comparing hip fracture and non-hip fracture studies’ definitions of elderly age
From: Heterogeneity of the definition of elderly age in current orthopaedic research
Median age | Range | Standard deviation | Variance | |
|---|---|---|---|---|
Hip fracture studies (n = 24) | 65 | 50–80 | 6.08 | 36.83 |
Non hip fracture studies (n = 52) | 65 | 50–75 | 5.90 | 34.83 |
Comparison of data samples with a two tailed Man Whitney test | p = 0.158 | |||