Table 3.

Pentacam tomographic indices.

	Good QOL Mean ± SD	Poor QOL Mean ± SD	p value
ISV OD	72.6 ± 50.0	71.7 ± 33.8	0.81
ISV OS	85.2 ± 37.0	72.3 ± 39.26	0.56
IVA OD	0.661 ± 0.41	0.664 ± 0.44	0.53
IVA OS	0.765 ± 0.42	0.740 ± 0.46	0.84
KI OD	1.20 ± 0.16	1.17 ± 0.10	0.41
KI OS	1.19 ± 0.16	1.14 ± 0.13	0.58
CKI OD	1.05 ± 0.08	1.05 ± 0.04	0.60
CKI OS	1.03 ± 0.07	1.03 ± 0.06	0.66
IHA OD	31.6 ± 23.6	29.1 ± 17.7	0.42
IHA OS	28.8 ± 23.3	32.53 ± 22.14	0.97
IHD OD	0.09 ± 0.09	0.09 ± 0.06	0.98
IHD OS	0.10 ± 0.66	0.10 ± 0.67	0.83
Rmin OD	6.3 ± 0.97	6.2 ± 0.72	0.93
Rmin OS	6.1 ± 0.83	6.4 ± 0.74	0.47
Astigmatism OD	3.35 ± 1.58	3.25 ± 2.11	0.10
Astigmatism OS	3.8 ± 2.87	2.5 ± 1.41	0.09
K1 OD	47.43 ± 5.82	46.08 ± 5.42	0.73
K1 OS	47.54 ± 6.51	45.16 ± 4.71	0.55
K2 OD	50.79 ± 4.05	50.09 ± 4.63	0.75
K2 OS	51.4 ± 7.82	47.68 ± 4.49	0.17
Kmax OD	55.1 ± 10.95	54.65 ± 6.53	0.68
Kmax OS	56.37 ± 7.85	52.95 ± 6.89	0.45
RMS OD	8.65 ± 8.31	9.05 ± 5.3	0.83
RMS OS	10.32 ± 4.94	9.34 ± 6.02	0.35
Front Q value OD	−0.81 ± 0.68	−0.78 ± 0.42	0.47
Front Q value OS	−0.75 ± 0.74	−0.62 ± 0.43	0.20
Back Q value OD	−0.96 ± 0.60	−1.01 ± 0.50	0.85
Back Q value OS	−0.90 ± 0.70	−0.84 ± 0.50	0.35
Anterior elevation OD	18.2 ± 20.1	16.7 ± 10.3	0.49
Anterior elevation OS	18.1 ± 16.9	10.5 ± 16.3	0.96
Posterior elevation OD	53.3 ± 33.3	52.4 ± 23.5	0.75
Posterior elevation OS	61.9 ± 34.6	52.7 ± 24.0	0.15
SI OD	−6.25 ± 5.42	−6.08 ± 3.86	0.60
SI OS	−4.83 ± 4.63	−4.80 ± 4.21	0.62

SI, superior minus inferior thickness; CKI, central keratoconus index; IHA, index of height asymmetry; IHD, index of height decentration; ISV, index of surface variance; IVA, index of vertical asymmetry; KI, keratoconus index; Max, maximum; Rmin, minimum sagittal curvature; RMS, room mean squares.