Variables | Chinese (n=628) | Indian (n=768) | ||||||||||
Univariable | Multivariable | Univariable | Multivariable | |||||||||
Estimate | 95% CI | P value | Estimate | 95% CI | P value | Estimate | 95% CI | P value | Estimate | 95% CI | P value | |
Age, year | 0.82 | (−0.19 to 1.83) | 0.11 | 1.88 | (0.39 to 3.37) | 0.014 | −0.4 | (−1.47 to 0.67) | 0.464 | −0.09 | (−1.18 to 0.99) | 0.866 |
Gender (ref: male) | −19.48 | (−34.26 to 4.69) | 0.01 | −11.88 | (−31.18 to 7.42) | 0.229 | −41.06 | (−56.6 to 25.48) | <0.001 | −44.32 | (−60.2 to 28.44) | <0.001 |
BCVA, unit | 16.24 | (−50.78 to 83.26) | 0.635 | 2.61 | (−67.51 to 72.74) | 0.942 | ||||||
IOP, mm Hg | 1.2 | (−1.89 to 4.29) | 0.447 | 1.08 | (−2.13 to 4.3) | 0.509 | ||||||
OPP, mm Hg | 0.28 | (−0.7 to 1.26) | 0.575 | −0.37 | (−1.48 to 0.75) | 0.518 | ||||||
CCT, µm | −0.11 | (−0.34 to 0.12) | 0.332 | −0.01 | (−0.26 to 0.23) | 0.921 | ||||||
Axl, mm | −5.82 | (−11.86 to 0.21) | 0.059 | −0.24 | (−8.83 to 8.35) | 0.957 | −12.45 | (−20.74 to 4.16) | 0.003 | −13.31 | (−21.7 to 4.91) | 0.002 |
RNFL, µm | 0.63 | (−0.31 to 1.58) | 0.191 | 0.64 | (−0.35 to 1.62) | 0.207 | 0.64 | (−0.12 to 1.4) | 0.101 | 0.84 | (0.11 to 1.56) | 0.025 |
ChT, µm | 0.33 | (0.19 to 0.46) | <0.001 | 0.34 | (0.15 to 0.53) | <0.001 | 0.65 | (0.48 to 0.82) | <0.001 | 0.49 | (0.32 to 0.67) | <0.001 |
VCDR (per 0.1) | 5.41 | (−3.23 to 14.05) | 0.22 | 10.63 | (−0.67 to 21.93) | 0.066 | 27.34 | (19.38 to 35.3) | <0.001 | 30.04 | (22.02 to 38.05) | <0.001 |
Disc size, mm | −59.21 | (−98.01 to 20.41) | 0.003 | −17.86 | (−77.32 to 41.6) | 0.556 | −49.51 | (−93.2 to 5.83) | 0.027 | −82.12 | (−128.69 to 35.55) | <0.001 |
Axl, axial length; BCVA, best-corrected visual acuity; CCT, central corneal thickness; Cht, choroidal thickness; IOP, intraocular pressure; OPP, ocular perfusion pressure; RNFL, retinal nerve fibre layer; VCDR, vertical cup disc ratio.