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Table 2 Univariate analysis of clinical variables and Rasch-calibrated QoL

From: Associations of subjective and objective clinical outcomes of visual functions with quality of life in Chinese glaucoma patients: a cross-sectional study

Variables Rasch-calibrated NEI VFQ Rasch-calibrated GQL
β (95% CI) P β (95% CI) P
BE logMAR VA −0.496(− 0.664 to − 0.328) < 0.001 0.575 (0.416 to 0.733) < 0.001
WE logMAR VA − 0.269(− 0.456 to − 0.083) 0.005 0.220 (0.031 to 0.409) 0.023
BE CS 0.437 (0.263 to 0.611) < 0.001 −0.459(− 0.631 to − 0.287) < 0.001
WE CS 0.28 (0.094 to 0.466) 0.003 −0.227(− 0.415 to − 0.038) 0.019
BE MD in VF (dB) 0.084(− 0.109 to 0.277) 0.391 − 0.135(− 0.326 to 0.057) 0.167
WE MD in VF (dB) 0.350 (0.169 to 0.532) < 0.001 − 0.368(− 0.548 to − 0.188) < 0.001
BE PSD in VF (dB) −0.089(− 0.282 to 0.104) 0.361 0.113(− 0.080 to 0.305) 0.248
WE PSD in VF (dB) −0.245(− 0.433 to − 0.057) 0.011 0.204 (0.014 to 0.393) 0.035
BE PVEP L in 1 deg. size (ms)* 0.066(− 0.208 to 0.348) 0.618 0.005(− 0.265 to 0.275) 0.970
BE PVEP A in 1 deg. size (μV)* 0.026(−0.251 to 0.306) 0.845 −0.080(− 0.351 to 0.187) 0.546
BE PVEP L in 15 min size (ms)* 0.013(− 0.265 to 0.292) 0.923 − 0.037(− 0.308 to 0.231) 0.776
BE PVEP A in 15 min size (μV)* 0.046(− 0.229 to 0.327) 0.724 −0.103(− 0.374 to 0.163) 0.434
WE PVEP L in 1 deg. size (ms)* − 0.266(− 0.550 to − 0.013) 0.040 0.146(− 0.117 to 0.418) 0.265
WE PVEP A in 1 deg. size (μV)* 0.244(− 0.012 to 0.528) 0.061 −0.253(− 0.522 to 0.001) 0.051
WE PVEP L in 15 min size (ms)* − 0.439(− 0.715 to − 0.215) < 0.001 0.317 (0.07 to 0.582) 0.014
WE PVEP A in 15 min size (μV)* 0.455 (0.223 to 0.721) < 0.001 −0.466(− 0.718 to − 0.24) < 0.001
  1. Bold items indicate P < 0.05 based on t test. β (95% CI) statistics were calculated with normalized data. *: N = 60 for PVEP. QoL quality of life, NEI VFQ National Eye Institute Visual Function Questionnaire, GQL Glaucoma Quality of Life, BE better eye, WE worse eye, MD mean deviation, PSD pattern standard deviation, VF visual field, PVEP pattern visual evoked potentials, L latency, A amplitude