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Table 1 The baseline features of the two study groups

From: First postoperative day review after uneventful phacoemulsification cataract surgery: Is it necessary?

Continuous variables NDR group
(n = 146)
NNDR group
(n = 145)
p
mean ± SD mean ± SD  
Age (years) 75.4 ± 7.2 75.8 ± 7.0 0.584MWW
BCVA prior to phacoemulsification (logMAR) 0.59 ± 0.13 0.63 ± 0.14 0.193MWW
Categorical and ordinal variables N (%) N (%)  
Sex (male) 73 (50.0) 79 (54.5) 0.444C
Current smoking (yes) 24 (16.4) 20 (13.8) 0.529C
Hypertension (yes) 104 (71.2) 113 (77.9) 0.190C
Diabetes mellitus (yes) 24 (16.4) 23 (15.9) 0.894C
Diabetic retinopathy (yes) 14 (9.6) 11 (7.5) 0.530C
Glaucoma (yes) 13 (8.9) 17 (11.7) 0.429C
Pseudoexfoliation (yes) 44 (30.1) 35 (24.1) 0.250C
Age-related macular degeneration (yes) 11 (7.5) 10 (6.9) 0.834C
  1. MWWp-value derived from Mann–Whitney-Wilcoxon test for independent samples, Cp-value derived from Pearson’s chi-square, Fp-value derived from Fisher’s exact test.