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Br J Ophthalmol 81:735-742 doi:10.1136/bjo.81.9.735
  • Original Article
    • Clinical science

Choroidal haemodynamics in glaucoma

Table 2

 Median values (25th percentile–75th percentile) of the three model parameters in the study groups for each fundus location. The p values under the variable values indicate the outcome of the Kruskal–Wallis ANOVA showed that only the variables Fdt and τ were significantly different among the study groups. Friedman ANOVA showed significant relations between location and variable values

Fdtdisc Fdtc1 Fdt c2 Fdt c3 Fdtc4
N 66.4 (51.0–116.8) 58.1 (45.6–88.2) 55.9 (41.5–77.2) 55.0 (41.2–74.5) 53.4 (37.8–69.2)
OHT 62.2 (48.6–84.2) 57.5 (40.3–73.2) 56.0 (40.0–76.3) 52.0 (34.1–67.6) 48.3 (33.4–66.4)
POAG 37.0 (28.2–54.1) 34.5 (25.7–58.8) 33.3 (24.2–51.9) 29.6 (21.1–46.7) 29.3 (21.4–45.1)
NPG 48.1 (29.5–68.8) 44.1 (27.0–65.0) 42.1 (27.1–69.2) 40.4 (24.7–67.0) 40.0 (23.7–65.2)
p=0.0003 p=0.024 p=0.035 p=0.041 p=0.018
t0disc t0c1 t0 c2  t0c3 t0 c4
N 14.1 (12.1–14.7) 14.4 (12.4–15.0) 14.6 (12.2–15.3) 14.6 (12.4–15.3) 14.7 (12.7–15.2)
OHT 15.1 (13.7–19.0) 15.1 (13.9–19.3) 15.7 (14.4–19.8) 16.3 (14.4–20.1) 16.5 (14.1–20.1)
POAG 15.1 (13.9–20.9) 14.9 (13.2–20.6) 15.1 (13.8–20.7) 15.3 (13.2–20.6) 15.4 (12.6–20.1)
NPG 15.5 (14.0–19.5) 16.1 (13.7–20.0) 15.8 (13.5–20.2) 16.0 (13.3–20.1) 16.2 (12.8–20.3)
ns ns ns ns ns
τ disc τ c1 τ c2 τ c3 τ c4
N  3.8 (3.3–4.4)  4.1 (3.5–4.5)  4.1 (3.6–4.6)  4.2 (3.7–4.6)  4.2 (3.8–4.8)
OHT  4.1 (3.0–5.0)  4.4 (3.4–6.3)  4.5 (3.8–6.2)  4.5 (3.8–6.2)  4.5 (4.0–6.2)
POAG  5.0 (4.1–6.0)  5.5 (4.3–6.8)  5.6 (4.4–6.7)  5.7 (4.4–7.0)  5.7 (4.5–7.3)
NPG  6.6 (4.8–7.9)  7.5 (5.5–9.3)  6.9 (5.4–9.4)  7.0 (5.5–9.4)  7.0 (5.6–9.4)
p<0.0001 p<0.0001 p<0.0001 p<0.0001 p<0.0001

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