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Table 1 Summary statistics of baseline predictors and follow-up data for OHTS and EGPS, where categorical variables are summarized as counts and proportions, while the continuous variables are summarized in means and standard deviations (SD).

From: The effect of changes in intraocular pressure on the risk of primary open-angle glaucoma in patients with ocular hypertension: an application of latent class analysis

Variables OHTS (N = 1600) EGPS (N = 971)
Baseline predictors   
TRT 795 (49.7%) 487 (50.2%)
Male 687 (42.9%) 445 (45.8%)
Black 396 (24.8%) 1 (0.1%)
AGE (decades) 5.56 (0.96) 5.70 (1.02)
IOP0 (mmHg) 24.9 (2.69) 23.4 (1.62)
CCT (μm) 572.6 (38.5) 573.3 (37.5)
PSD (dB) 1.91 (0.21) 2.00 (0.52)
VCD 0.39 (0.19) 0.32 (0.14)
BB 71 (4.4%) 64 (6.6%)
CHB 190 (11.9%) 66 (6.8%)
DM 188 (11.8%) 55 (5.7%)
Heart 99 (6.2%) 109 (11.2%)
HBP 606 (37.9%) 279 (28.7%)
Post-randomization IOP   
Mean (mmHg) 21.44 (3.45) 19.73 (2.57)
SD (mmHg) 2.27 (1.04) 2.22 (1.03)
Median #visits (min-max) 13 (2–16) 9 (2–10)
POAG 146 (9.1%) 107 (11.0%)