Summary statistics of phacoemulsification of 2.0 mm porcine lens cubes at varying bottle height, vacuum, and power settings.

Table 1: Summary statistics of phacoemulsification of 2.0 mm porcine lens cubes at varying bottle height, vacuum, and power settings.

Bottle height (cm)	Vacuum (mmHg)	Power (%)	Efficiency (s) ± SD	Chatter ± SD
60	600	60	0.841 ± 0.21	0.05 ± 0.22
80	600	60	0.614 ± 0.14	0.1 ± 0.31
100	600	60	0.512 ± 0.079	0 ± 0
100	400	60	0.897 ± 0.29	0.1 ± 0.31
100	500	60	0.519 ± 0.10	0.05 ± 0.22
100	600	60	0.445 ± 0.080	0.05 ± 0.22
100	600	50	1.27 ± 0.46	0.1 ± 0.31
100	600	60	1.22 ± 0.59	0.05 ± 0.22
100	600	70	0.971 ± 0.25	0 ± 0
100	600	80	0.678 ± 0.21	0 ± 0
100	600	90	0.78 ± 0.37	0 ± 0
100	600	100	0.739 ± 0.36	0 ± 0