Table 1. The grade of the subjects with primary pterygium.
| Number of subjects | Female subjects(Number) | Patients age | |
|---|---|---|---|
| Extension(E) |
|
|
|
| Grade 1 |
17 |
12 |
26-79(62.88±13.22) |
| Grade 2 |
15 |
12 |
60-78(67.27±6.01) |
| Grade 3 |
17 |
12 |
49-80(66.24±7.73) |
| Grade 4 |
9 |
3 |
52-82(69.11±9.96) |
| Vascularity(V) |
|
|
|
| Grade 1 |
19 |
16 |
47-82(64.58±9.00) |
| Grade 2 |
26 |
16 |
26-80(67.545±11.22) |
| Grade 3 |
13 |
7 |
52-81(64.85±7.10) |
| Thickness(T) |
|
|
|
| Grade 1 |
17 |
11 |
26-80(62.06±13.32) |
| Grade 2 |
15 |
10 |
59-80(69.27±6.20) |
| Grade 3 |
15 |
11 |
49-82(68.73±8.31) |
| Grade 4 | 11 | 7 | 52-75(63.73±6.25) |