Table 3. Distribution in POSEIDON groups
Author	Group 1	Group 2	Group 3	Group 4
Present study	20.4%	31.5%	14.8%	33.3%
Levi-Setti et al. 2019	6.9%	19.8%	11.7%	61.5%
Shi et al., 2019	24.9%	13.7%	24.3%	37.1%
Li et al., 2019	60.9%	24.5%	3.4%	11.2%