Table 1. Multivariate regression analysis assessing the risk factors of intraocular pressure elevation after intravitreal triamcinolone acetonide injection.
| Variables | n | IOP≥24 mmHg n(%) | IOP<24 mmHg n(%) | OR (95% CI) | P |
| Mean age ±SD (yrs) | 111 | 61.0±13.1 | 72.4±10.6 | 0.62 (0.42-1.02) | 0.003 |
| Gender | |||||
| Male | 46 | 22(47.8) | 24(52.2) | 4.02 (1.36-10.75) | 0.014 |
| Female | 65 | 16(24.6) | 49(75.3) | ||
| Mean baseline IOP ±SD (mmHg) | 111 | 16.4±3.4 | 14.6±2.9 | 1.42 (1.01-2.29) | 0.022 |
| Lens status | |||||
| Phakic | 55 | 21(38.2) | 34(61.8) | 1.13 (0.37-3.50) | 0.159 |
| Pseudophakic and aphakic | 56 | 17(30.4) | 39(69.6) | ||
| Posterior Capsule | |||||
| Open | 17 | 5(29.4) | 12(70.6) | 0.59(0.12-2.91) | 0.311 |
| Intact | 94 | 33(35.1) | 61(64.9) | ||
| Multiple IVTA injection | |||||
| Yes | 37 | 15(40.5) | 22(59.5) | 1.16(0.37-3.50) | 0.627 |
| No | 74 | 23(31.1) | 51(68.9) | ||
| Prior sub-Tenon's injection | |||||
| Yes | 24 | 12(50) | 12(50) | 1.57 (0.26- 2.02) | 0.654 |
| No | 87 | 26(29.9) | 61(71.1) | ||
| Retinal diseases | 0,98 | ||||
| BRVO | 52 | 12(23.1) | 40(76.9) | 1.12 (0.11-8.43) | 0.95 |
| DME | 44 | 20(45.5) | 24(54.5) | 1.26 (0.28-4.85) | 0.84 |
| Uveitis | 15 | 6(40) | 9(60) | 1.13 (0.36-4.91) | 0.87 |
| Prior Vitrectomy | |||||
| Yes | 11 | 3(27.3) | 8(73.7) | 0.27(0.12-2.45) | 0.054 |
| No | 100 | 35(35) | 65(65) |
IOP=intraocular pressure; SD=standard deviation; a=years; BRVO=branch retinal vein occlusion; DME= diabetic macular edema; OD=Odds Ratio, CI=Confidence Interval.
n(%)