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. 2019 Sep 17;28(23-24):4525–4537. doi: 10.1111/jocn.15042

Table 3.

Numbers of optimal and nonoptimal situations at each level

Level Optimal Nonoptimal

Total

(N = 300)

1 0 12 12
2 0 12 12
3 0 36 36
4 73 10 83
5 153 4 157