Author (Year) - Nail group

Proportion of delayed + non-union (%)

Chi-square (p-value)

Khan et al. (2013) - Solid

18.0

9.0 (0.342)

Shah et al. (2004) - Solid

13.8

Haonga et al. (2019) - Solid

8.0

Acharya et al. (2019) - Solid

5.8

Deleanu et al. (2014) - Solid

- Hollow

2.3

2.2

Sathis (2017) - Solid

- Hollow

0

1.4

Mathur et al. (2020) - Hollow

5