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Table 4 Multiple regression analysis on variables potentially predicting BCVA improvement 1 month after surgery

From: Visual acuity improvement after phacoemulsification cataract surgery in patients aged ≥90 years

  Estimate, logMAR (95%CI) P value
Group 1 (≥90 years old) −0.014 (− 0.099–0.072) 0.76
Male −0.014 (− 0.099–0.072) 0.75
DM − 0.034 (− 0.14–0.074) 0.54
HT 0.017 (− 0.063–0.098) 0.67
LOCS III (Nuclear Cataract, vs grade 2)
 3 0.19 (0.076–0.31) 0.0013*
 4 0.37 (0.24–0.50) < 0.001*
 5 0.95 (0.74–1.2) < 0.001*
 6 2.0 (1.8–2.2) < 0.001*
LOCS III (Cortical Cataract, vs grade 1)
 2 0.13 (0.0041–0.26) 0.043*
 3 0.28 (0.15–0.41) < 0.001*
 4 0.65 (0.45–0.86) < 0.001*
LOCS III (Posterior Cataract, vs grade 1)
 2 0.19 (0.046–0.33) 0.0096*
 3 0.35 (0.23–0.47) < 0.001*
 4 0.74 (0.59–0.89) < 0.001*
 5 1.5 (1.1–1.8) < 0.001*
  1. CI confidence interval
  2. *Statistically significant P value
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