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TableĀ 2 Factors and levels

From: Sensitivity of Influential Factors on Needle Insertion Experiments: A Quantitative Analysis on Phantom Deformations and Needle Deflections

Factor Factor level
Ratios of DMSO {40%, 50%, 60%}
Thawing time (TT) {1 h, 4 h, 7 h}
Needle external diameter (NED) {18G, 20G, 22G}
Insertion velocity (IV) { 1 mm/s, 3 mm/s, 6 mm/s }
Repeated insertion times (RITs) {1, 2, 3}
Insertion positions (IP) {5 mm, 10 mm}