A Comparison of Endothelial Cell Loss in Combined Cataract and MIGS (Hydrus) Procedure to Phacoemulsification Alone: 6-Month Results

Table 1

Preoperative demographic and operative data of the patients (mean ± standard deviation; LOCS: lens opacity classification system; CD: cell density; SD: standard deviation; CV: coefficient of variation; 6A: hexagonality coefficient; US: ultrasound; : value; N/A: not applicable).

Group	1	2A	2B	1 versus 2A	1 versus 2B	2A versus 2B
Mean age (yrs)	70.3 ± 2.5	68.8 ± 2.7	69.6 ± 2.2	0.064	0.347	0.332
Gender m/f (%)	17 (68)/8 (32)	9 (47.4)/10 (52.6)	15 (82.4)/4 (17.6)	N/A	N/A	N/A
Cataract grade (LOCS III)	3.71 ± 0.9	3.4 ± 0.8	3.64 ± 1.2	0.242	0.828	0.477
CD (cell/mm^2)	2361.7 ± 477.9	2234.5 ± 344.7	2476.2 ± 300.6	0.332	0.376	0.052
SD (μm^2)	171.8 ± 84.2	173.8 ± 63.4	155.5 ± 41.9	0.932	0.455	0.31
CV	37.6 ± 9.8	36.9 ± 9.8	37.3 ± 8.2	0.816	0.916	0.894
6A (%)	57.6 ± 10.5	55.5 ± 13.1	56.3 ± 7.5	0.558	0.656	0.822
Total surgical time (mins)	12.3 ± 2.5	12 ± 1.9	18.45 ± 2.9	0.665	<0.001	<0.001
Phacoemulsification time (sec)	37.1 ± 19.7	34 ± 18.4	35.4 ± 17	0.598	0.769	0.812
US power (%)	20.8 ± 12	18.9 ± 6.1	20.5 ± 10.3	0.532	0.932	0.567