Table 6.

Analysis of topographic and tomographic changes between the three treatment groups.

Variable	SCXL N = 91	ACXL N = 92	TCXL N = 88	P	P1	P2	P3
K max
Preoperative, Mean ± SD	50.78 ± 3.82	50.70 ± 3.51	50.69 ± 1.51	0.99	1.00	1.00	1.00
Post‐6 ms–Preoperative, Mean ± SD	−0.43 ± 0.65	−0.32 ± 0.53	0.02 ± 0.10	0.0001	0.38	0.0001	0.0001
Post‐12 ms–Preoperative Mean ± S	−0.60 ± 0.85	−0.58 ± 0.93	0.34 ± 0.45	<0.0001	1.00	<0.0001	<0.0001
Post‐24 ms–Preoperative, Mean ± SD	−1.17 ± 1.01	−0.23 ± 1.17	0.92 ± 1.15	<0.0001	0.0001	<0.0001	<0.0001
Pachymetry
Preoperative, Mean ± SD	453.07 ± 30.55	453.47 ± 41.67	454.13 ± 26.89	0.99	1.00	1.00	1.00
Post‐6 ms–Preoperative, Mean ± SD	−3.54 ± 2.54	−1.14 ± 3.34	−0.56 ± 1.63	0.01	0.02	0.0001	0.60
Post‐12 ms–Preoperative, Mean ± SD	−4.6 ± 8.83	−3.5 ± 7.85	−2.14 ± 3.94	0.02	0.04	0.009	0.08
Post‐24 ms–Preoperative, Mean ± SD	−8.9 ± 14.95	−3.71 ± 7.76	−6.75 ± 9.02	0.03	0.01	0.06	0.04

P compared the 3 groups, P1 compared SCXL & ACXL, P2 compared SCXL & TCXL, P3 compared ACXL & TCXL.