Table 3: Subgroup analyses of the included studies.
|
Subgroup |
No. of studies |
Pooled prevalence |
95% CI |
I2 |
P-value |
|
Sample size |
|||||
|
Small (< median) |
6 |
4 |
2-8 |
98.81% |
< 0.001 |
|
Large (≥ median) |
5 |
8 |
4-14 |
97.54% |
< 0.001 |
|
Publication year |
|||||
|
1991-2005 |
6 |
11 |
3-25 |
93.42% |
< 0.001 |
|
2006-2016 |
5 |
5 |
2-9 |
99.23% |
< 0.001 |
|
Tool |
|||||
|
Screening |
3 |
9 |
3-16 |
90.28% |
< 0.001 |
|
Diagnostic |
8 |
6 |
4-10 |
98.94% |
< 0.001 |
|
Setting |
|||||
|
Addis Ababa |
4 |
13 |
2-32 |
98.95% |
< 0.001 |
|
Oromia |
2 |
2 |
2-3 |
-- |
-- |
|
Amhara |
2 |
6 |
5-8 |
-- |
-- |
|
SNNP |
3 |
7 |
4-12 |
-- |
-- |
|
QOL |
|||||
|
Good quality |
8 |
8 |
3-16 |
99.28% |
< 0.001 |
|
Fair quality |
3 |
7 |
4-12 |
78.98% |
< 0.001 |
Note: 95% CI represents the 95% Confidence Interval for prevalence and I2 true heterogeneity.