Table 4.

The questions on the BECK anxiety inventory (BAI) associated with RNFL thickness loss.

Variables	RNFL thickness progression rate, um/year		P value
	Score 0	Score 1–3
Q1. Numbness or tingling	0.63 ± 1.47	1.49 ± 1.80	0.006
Q2. Feeling hot	0.70 ± 1.56	1.34 ± 1.67	0.040
Q3. Wobbliness in legs	0.70 $\pm 1.37$	2.56 $\pm 2.62$	0.033
Q4. Unable to relax	0.75 $\pm 1.45$	1.20 $\pm 1.95$	0.158
Q5. Fear of worst happening	0.89 $\pm 1.38$	0.83 $\pm 2.10$	0.851
Q6. Dizzy or lightheaded	0.62 $\pm 1.45$	1.19 $\pm 1.75$	0.042
Q7. Heart pounding/racing	0.47 $\pm 1.46$	1.34 $\pm 1.65$	0.002
Q8. Unsteady	0.66 $\pm 1.42$	1.24 $\pm 1.85$	0.047
Q9. Terrified or afraid	0.62 $\pm 1.41$	1.54 $\pm 1.90$	0.011
Q10. Nervous	0.82 $\pm 1.76$	0.94 $\pm 1.41$	0.661
Q11. Feeling of choking	0.81 $\pm 1.60$	1.29 $\pm 1.64$	0.250
Q12. Hands trembling	0.75 $\pm 1.39$	2.25 $\pm 2.91$	0.121
Q13. Shaky/unsteady	0.72 $\pm 1.38$	2.42 $\pm 2.71$	0.053
Q14. Fear of losing control	0.75 $\pm 1.36$	3.51 $\pm 3.54$	0.114
Q15. Difficulty in breathing	0.72 $\pm 1.35$	0.09 $\pm 2.69$	0.070
Q16. Fear of dying	0.84 $\pm 1.61$	1.96 $\pm 1.38$	0.171
Q17. Scared	0.78 $\pm 1.49$	1.04 $\pm 1.80$	0.400
Q18. Indigestion	0.73 $\pm 1.42$	1.08 $\pm 1.85$	0.234
Q19. Faint/lightheaded	0.86 $\pm 1.62$	0.27 $\pm 0.25$	0.530
Q20. Face flushed	0.69 $\pm 1.41$	1.66 $\pm 2.12$	0.038
Q21. Hot/cold sweats	0.82 $\pm 1.66$	1.08 $\pm 1.39$	0.423

The comparison was performed using independent samples t-test.

Statistically significant values are shown in bold.

Continuous data are mean ± mean standard deviation unless otherwise indicated.