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. 2020 Jun 25;15:4591–4606. doi: 10.2147/IJN.S245188

Table 2.

Experimental Design and Results of the Orthogonal Design L9(34)

No. A B C D Particle Size nm Entrapment Rate EE% Comprehensive Scores
1 1 1 1 1 198.34 50.4 45.93
2 1 2 2 2 190.71 66.8 57.21
3 1 3 3 3 265.29 69.3 45.70
4 2 1 2 3 167.03 77.5 67.84
5 2 2 3 1 286.17 79.1 48.00
6 2 3 1 2 230.49 82.4 59.73
7 3 1 3 2 257.36 70.7 47.93
8 3 2 1 3 206.43 73.2 58.35
9 3 3 2 1 196.74 78.6 63.32
K1 49.61 53.90 52.42 52.42
K2 58.52 54.52 54.96 54.96
K3 56.53 56.25 47.21 57.30
R 8.91 2.35 7.75 4.88

Note: Comprehensive scores = 0.5 × 100 × (1-particle size/maximum particle size) + 0.5 × 100 × (Entrapment rate/maximum entrapment rate).