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. Author manuscript; available in PMC: 2017 Aug 1.
Published in final edited form as: Surg Endosc. 2015 Oct 30;30(8):3198–3209. doi: 10.1007/s00464-015-4602-2

Table 5.

Categories for Subject-by-Subject Analysis

Category Classification
No Effect Subject showed no significant differences between T1 and T2, and the mean forces in all conditions were greater than 2.5 N.
Already Low Subject showed no significant differences between T1 and T2, and the mean forces in all conditions were less than 2.5 N.
Higher Subject used more force with tactile feedback. (T2 > T1)
Lower and Completely Retained Subject used less force with tactile feedback. When system was turned off in T3, this low force was completely retained. T2 and T3 were indistinguishable.
Lower & Not Retained Subject used less force with tactile feedback. When the system was turned off in T3, the force increased to the level of T1. T1 and T3 were indistinguishable.
Lower and Partially Retained Subject used less force with tactile feedback. When the system was turned off in T3, the force increased, but not as high as T1. T1, T2, and T3 were different, and T1 > T3 > T2.