Table 4

Factors associated with poor visual outcome among children with bilateral cataract (defined as best corrected visual acuity of less than 0.48 in the better eye at 1 year) (n=154)

VariablesTotal (n=154)Poor outcome (n=72)Unadjusted analysisAdjusted analysis
OR(95% CI)P valueOR(95% CI)P value
Age at surgeryn (%)
 ≤24 months7852 (66.7)1.001.00
 >24 months7620 (26.3)0.180.08 to 0.38 <0.001 0.390.14 to 1.100.076
Delayed presentation/lag time
 ≤3 months2815 (53.6)1.00
 >3 to ≤12 months5731 (54.4)1.030.41 to 2.570.945
 >12 months6523 (35.4)0.470.29 to 3.320.104
 Missing43 (75.0)
Preoperative blindness
 No384 (10.5)1.001.00
 Yes11668 (58.6)12.043.58 to 40.51 <0.001 14.652.21 to 97.20 0.005
Preoperative nystagmus/strabismus
 No507 (14.0)1.001.00
 Yes10565 (61.9)10.243.75 to 27.97 <0.001 9.222.66 to 31.97 <0.001
Microphthalmos
 No11948 (40.3)1.001.00
 Yes2820 (71.4)3.691.46 to 9.37 0.003 1.120.29 to 4.290.872
 Missing74 (57.1)
Aphakia
 No12850 (39.1)1.001.00
 Yes2622 (84.6)8.582.59 to 28.46 <0.001 5.321.05 to 26.97 0.043
Astigmatism
 No10958 (45.9)1.001.00
 Yes3311 (33.3)0.440.19 to 1.01 0.046 0.910.29 to 2.790.865
 Missing123 (25.0)
Cataract grade
 Grade ≤7223 (13.6)1.001.00
 Grade 8–1013269 (52.3)6.901.86 to 25.92 <0.001 0.450.03 to 6.070.548
Refractive error
 Myopia (≥−1.5 D)3814 (36.8)1.00
 Hypermetropia (>1.0 D)4321 (48.8)1.640.66 to 4.030.280
 Missing/emmetropia7337 (50.7)
High myopia (>−4.0 D)
 No10843 (39.9)1.00
 Yes104 (40.0)1.010.27 to 3.800.991
 Missing3625 (69.4)
High hypermetropia (>4.0 D)
 No10338 (39.9)1.00
 Yes159 (60.0)2.570.83 to 7.910.089
 Missing3625 (69.4)
Early postoperative complications
 No12554 (43.2)1.00
 Yes2918 (62.1)2.150.93 to 4.990.07
Late postoperative complications
 No13263 (47.7)1.00
 Yes229 (40.9)0.760.30 to 1.900.55
Keratometry performed
 No5023 (46.0)1.00
 Yes10449 (47.1)1.050.53 to 2.060.89
Systemic problem
 No9743 (44.3)1.00
 Yes5729 (50.9)1.300.67 to 2.510.43
Anaemia
 No7630 (39.5)1.001.00
 Yes7441 (55.4)1.910.98 to 3.69 0.05 0.860.32 to 2.310.765
Missing41 (25.0)
  • Bold type denotes statisticaly significant values.