Table 4.
Comparison of bleb morphology in the study group against the control group
|
Time after observation |
Observation |
6 |
12 |
18 |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Commencement | Commencement | months | months | months | ||||||
|
Group |
Trab then Phaco |
Trab Only |
Trab then Phaco |
Trab Only |
Trab then Phaco |
Trab Only |
Trab then Phaco |
Trab Only |
||
|
Bleb morphology |
Surface |
Small |
24% |
26.4% |
40% |
26.4% |
40% |
26.4% |
40% |
27.8% |
| Medium |
36% |
45.8% |
54% |
47.2% |
54% |
47.2% |
54% |
45.8% |
||
| Large |
20% |
27.8% |
6% |
26.4% |
6% |
26.4% |
6% |
26.4% |
||
| Statistical analysis |
Z = 0.4 |
Z = 2.6 |
Z = 2.6 |
Z = 2.4 |
||||||
| p = 0.7 |
p = 0.01 |
p = 0.01 |
p = 0.01 |
|||||||
|
Elevation |
Elevated |
96% |
86.1% |
66% |
86.1% |
66% |
84.7% |
66% |
84.7% |
|
| Flat |
4% |
13.9% |
34% |
13.9% |
34% |
15.3% |
34% |
15.3% |
||
| Statistical analysis |
Z = 1.8 |
Z = 2.6 |
Z = 2.4 |
Z = 2.4 |
||||||
| p = 0.07 | p = 0.009 | p = 0.02 | p = 0.02 | |||||||
Regarded as statistically significant if p < 0,05, (the U Mann–Whitney test).
Z – the value of test function for the given test.