Table 1 Baseline features of entire cohort.
From: The effect of sex and laterality on the phenotype of primary rhegmatogenous retinal detachment
Variable | N = 8133 unless otherwise stated | Association with sex, p (n) | Association with eye, p (n) |
|---|---|---|---|
Age, years (mean, SD, min–max) | 59, 13 (16–100) | <0.001 | 0.006 |
Sex, Male (n, %) | 5182 (63.7%) | N/A | 0.072 |
Laterality, Right eye (n, %) | 4342 (53.3%) | 0.072 | N/A |
Visual acuity, logMAR (mean, SD, min–max) | 0.98, 0.93, (−0.2–3.0) | 0.001 (n = 6956) | 0.004 (n = 6956) |
Refraction, dioptres (mean, SD, min–max) | −2.89, 4.02, (−30–7.75) | <0.001 (n = 2984) | <0.001 (n = 2984) |
Lens status (n, %) | <0.001 | 0.513 | |
Aphakic | 82 (1.0%) | ||
Pseudophakic | 2195 (27.0%) | ||
Phakic | 4989 (61.3%) | ||
Phakic Cataract | 867 (10.7%) | ||
Vitreous status (n, %) | <0.001 (n = 6203) | 0.194 (n = 6203) | |
No PVD | 669 (10.8%) | ||
PVD | 5534 (89.2%) | ||
Duration of visual loss—Foveal involving cases, days (mean, SD, min–max) | 6, 3–13, 0–342 | 0.756 (n = 2564) | 0.856 (n = 2564) |
High myopia (>6 dioptres) (n, %) | 331 (11.1%) | <0.001 | 0.077 (n = 2984) |
Previous or concomitant fellow eye RD (n, %) | 507 (9.0%) | 0.007 (n = 5634) | 0.006 (n = 5634) |
Any vitreous haemorrhage present (n, %) | 1074 (17.3%) | 0.023 (n = 6209) | 0.952 (n = 6209) |
Extent RD | <0.001 | 0.282 | |
Total RD present, (n, %) | 501 (6.2%) | ||
Extent RD, clock hours, (median, IQR, min–max) | 4, 4–7, (0–12) | ||
Foveal sparing (n, %) | 4044 (49.9%) | <0.001 | 0.314 |
Visual acuity, fovea detached cases, logMAR (mean, SD, min–max) | 1.638, 0.732 (−0.08, 3) | <0.001 | 0.314 |
Any Superior RD (n, %) | 7235 (89.0%) | 0.002 | 0.781 |
Any Inferior RD (n, %) | 5766 (70.9%) | 0.344 | 0.762 |
Isolated Superior RD only (n, %) | 2291 (28.2%) | 0.377 | 0.600 |
Isolated Inferior RD only (n, %) | 822 (10.1%) | 0.002 | 0.538 |
Isolated Temporal RD (n, %) | 2488 (30.6%) | 0.009 | <0.001 |
Isolated Nasal RD (n, %) | 608 (7.5%) | 0.363 | 0.014 |
Largest break size greater than 1 clock hour (n, %) | 330 (4.1%) | 0.003 | 0.018 (n = 8128) |
Number of retinal breaks in detached retina 0, 1, 2, 3 or more (n,%) | 0: 310 (3.8%) 1: 3657 (45.0%) 2: 1869 (23.0%) 3 or more: 2292 (28.2%) | <0.001 | 0.864 (n = 8128) |
Largest break type recorded (n, %) | <0.001 | 0.828 (n = 7864) | |
Dialysis | 256 (3.3%) | ||
GRT | 185 (2.4%) | ||
Round hole | 901 (11.4%) | ||
U tear | 6449 (82.0%) | ||
Outer leaf break with progressive schisis RD | 73 (0.9%) | ||
Superior retinal breaks lowest (n, %) | 4541 (57.5%) | <0.001 | 0.772 |
Inferior retinal breaks lowest (n, %) | 2320 (29.4%) | 0.049 | 0.143 |
Temporal retinal breaks lowest (n, %) | 4842 (61.3%) | 0.963 | <0.001 |
Nasal retinal breaks lowest (n, %) | 1768 (22.4%) | 0.940 | 0.002 |
PVR C or worse (n, %) | 481 (7.0%) | 0.212 (n = 6887) | 0.047 (n = 6887) |
Presence of choroidal detachments | 64 (1.3%) | 0.972 (n = 4848) | 0.577 (n = 4848) |
Presence of subretinal fibrosis | 189 (3.8%) | 0.852 (n = 4918) | 1.000 (n = 4918) |
