Table 3.
Univariate analysis of continuous visual indices for needle stick and sharp injuries (NSIs and SIs).
| Variables | Needle stick injuries (NSIs) |
Sharp injuries (SIs) |
||||
|---|---|---|---|---|---|---|
| Yes (110) | No (157) | P value | Yes (51) | No (216) | P value | |
| Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | |||
| BCDVA of the right eye (log MAR) | 0.010 ± 0.043 | 0.015 ± 0.052 | 0.47 | 0.013 ± 0.049 | 0.13 ± 0.048 | 0.96 |
| BCNVA of the right eye (log MAR) | 0.010 ± 0.041 | 0.017 ± 0.056 | 0.32 | 0.011 ± 0.043 | 0.016 ± 0.052 | 0.65 |
| CS of right eye for low SF (decibel) | 16.77 ± 2.96 | 16.65 ± 3.12 | 0.75 | 16.62 ± 2.92 | 16.72 ± 3.08 | 0.83 |
| CS of right eye for high SF (decibel) | 12.90 ± 1.83 | 13.36 ± 1.70 | 0.03* | 13.22 ± 1.74 | 13.06 ± 1.80 | 0.56 |
| Near point of convergence (NPC) (cm) | 7.15 ± 2.64 | 6.45 ± 2.06 | 0.02* | 7.58 ± 3.30 | 6.74 ± 2.19 | 0.02* |
| Distance BO blur (PD) | 9.80 ± 1.66 | 9.76 ± 1.97 | 0.84 | 9.84 ± 1.96 | 9.76 ± 1.82 | 0.79 |
| Distance BO break (PD) | 15.91 ± 2.34 | 16.05 ± 3.03 | 0.68 | 15.98 ± 2.73 | 16.00 ± 2.77 | 0.95 |
| Distance BO recovery (PD) | 10.43 ± 1.87 | 10.78 ± 2.55 | 0.21 | 10.33 ± 1.90 | 10.71 ± 2.38 | 0.28 |
| Distance BI break (PD) | 6.46 ± 1.33 | 6.60 ± 1.19 | 0.36 | 6.49 ± 1.15 | 6.56 ± 1.27 | 0.72 |
| Distance BI recovery (PD) | 3.89 ± 1.06 | 3.85 ± 1.03 | 0.77 | 3.86 ± 0.91 | 3.87 ± 1.07 | 0.96 |
| Near BO blur (PD) | 13.88 ± 3.68 | 14.80 ± 3.39 | 0.03* | 13.88 ± 3.31 | 14.55 ± 3.58 | 0.22 |
| Near BO break (PD) | 17.65 ± 4.37 | 18.66 ± 3.95 | 0.05 | 17.49 ± 3.92 | 18.42 ± 4.19 | 0.14 |
| Near BO recovery (PD) | 12.42 ± 3.50 | 3.18 ± 3.91 | 0.10 | 12.35 ± 3.32 | 12.99 ± 3.85 | 0.27 |
| Near BI blur (PD) | 12.24 ± 2.27 | 12.54 ± 1.80 | 0.22 | 12.30 ± 2.07 | 12.94 ± 1.70 | 0.04* |
| Near BI break (PD) | 16.38 ± 2.98 | 17.20 ± 2.66 | 0.01* | 17.29 ± 2.60 | 16.76 ± 2.87 | 0.22 |
| Near BI recovery (PD) | 12.32 ± 2.85 | 12.83 ± 2.30 | 0.11 | 12.98 ± 2.61 | 12.54 ± 2.53 | 0.27 |
MAR: Minimum angle of resolution, cm: Centimeter, PD: Prism diopter, BCDVA: Best corrected distance visual acuity, BCNVA: Best corrected near visual acuity, CS: Contrast sensitivity, SF: Spatial frequency, BO: Base-out, BI: Base-in, SD: Standard deviation, *P value < 0.05.