. 2020 Oct 29;10:18594. doi: 10.1038/s41598-020-75412-y

Table 3.

Factors associated with corneal ectasia indicators in KC and others: multivariant regression analysis of IHT/CCT, IGT/CCT, and ACD as the dependent variables with the independent variables of age at PK, current age, postoperative period, sex, and graft size.

Dependent	KC			Others
Dependent	Selected	Estimates	p	Selected	Estimates	p
IHT/CCT	Postoperative period	0.012	0.021	Age at PK	0.005	0.004
IHT/CCT	Graft size	0.286	< 0.0001	Age at PK	0.005	0.004
IGT/CCT	Postoperative period	0.006	0.019	Age at PK	0.003	0.067
IGT/CCT	Graft size	0.155	< 0.0001	Age at PK	0.003	0.067
ACD	Postoperative period	− 0.026	0.075	Postoperative period	− 0.017	0.044
ACD	Graft size	− 0.418	0.019	Graft size	0.310	0.036

KC keratoconus, IHT inferior thinnest host cornea thickness, CCT central corneal thickness, IGT inferior thinnest graft thickness, IHT/CCT IHT ratio to CCT, IGT/CCT IGT ratio to CCT, ACD Anterior chamber depth, PK Penetrating keratoplasty.