Table 6.
Changes in the number of patients with different sizes of HE areas at baseline vs. different time points post-treatment between the IVC+PRP group and the PRP group.
Baseline | 6 m | χ2 | P | 12 m | χ2 | P | 18 m | χ2 | P | 24 m | χ2 | P | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
IVC+PRP (n = 50) | No HE | 1 | 2 | 2.73 | 0.43 | 4 | 7.81 | 0.05 | 5 | 13.79 | < 0.01 | 9 | 18.88 | < 0.01 |
<0.5 mm2 | 11 | 15 | 19 | 22 | 21 | |||||||||
0.5 mm2–2.5 mm2 | 20 | 22 | 19 | 18 | 16 | |||||||||
>2.5 mm2 | 18 | 11 | 8 | 5 | 4 | |||||||||
PRP (n = 32) |
No HE | 1 | 1 | 0.34 | 0.95 | 1 | 3.36 | 0.34 | 2 | 5.59 | 0.13 | 2 | 6.31 | 0.10 |
<0.5 mm2 | 7 | 9 | 12 | 14 | 15 | |||||||||
0.5 mm2–2.5 mm2 | 12 | 11 | 13 | 11 | 10 | |||||||||
>2.5 mm2 | 12 | 11 | 6 | 5 | 5 | |||||||||
χ2 | 0.14 | 1.63 | 0.88 | 0.84 | 3.15 | |||||||||
P | 0.99 | 0.65 | 0.83 | 0.83 | 0.37 |
HE, hard exudate; m, months.