Table 5.

Mean time in seconds (95%-CI) to complete the task needle threading in each trial for the classic multi-port system and the new single-port system

Trial	Classic multi-port system			Single-port system
	Mean	CI lower bound	CI upper bound	Mean	CI lower bound	CI upper bound
1	491	368	613	365	275	456
2	245	150	341	364	270	458
3	281	194	367	257	201	313