Table 1. Comparison of patient characteristics and intraoperative parameters.

Variables	Groups		P
	Control (n=42)	PEX (n=42)
Age (a)	74.74±5.19	76.02±5.03	0.252
Gender (F/M)	17(40.5)/25(59.5)	18(42.9)/24(57.1)	0.825
Eye (R/L)	23(54.8)/19(45.2)	21(50.0)/21(50.0)	0.662
NO3/NO4/NO5	25/12/5	21/15/6	0.409
ACD	3.23±0.36	3.08±0.34	0.055
Pupil size	7.74±0.73	5.75±1.32	<0.001
U/S total time	65.53±19.23	69.95±21.41	0.323
U/S total equivalant power position 3	24.86±3.53	23.71±5.54	0.261
CDE	16.52±5.71	18.39±6.35	0.159
Torsional time	65.03±19.11	69.59±21.26	0.304
Average torsional amplitude in position 3	61.88±8.66	65.76±11.80	0.090
Aspiration time	171.02±36.55	203.00±44.21	0.001
Estimated fluid use	55.95±12.15	71.62±17.42	<0.001

CDE: Cumulative dissipated energy; NO: Nuclear opacification; ACD: Anterior chamber depth.

n (%), x±s