Table 2 Subgroup analysis of asymptomatic tuberculosis proportion in the elderly population
Subgroup analysis type | No. of studies | Effect size | M | Heterogeneity | ||
|---|---|---|---|---|---|---|
ES [95%CI] | PES | 听 | I2 (%) | PH | ||
All studies | 9 | 0.677[0.547,0.795] | &濒迟;鈥�0.001 | R | 90.197 | &濒迟;鈥�0.001 |
Subgroup analysis by sample size | 听 | 听 | 听 | 听 | 听 | 听 |
&濒迟;鈥�15,000 | 4 | 0.706[0.523,0.862] | &濒迟;鈥�0.001 | R | 88.033 | &濒迟;鈥�0.001 |
鈮モ赌�15,000 | 5 | 0.623[0.459,0.774] | &濒迟;鈥�0.001 | NA | NA | NA |
Subgroup analysis by study country | 听 | 听 | 听 | 听 | 听 | 听 |
High-burden countries | 8 | 0.663[0.525,0.789] | &濒迟;鈥�0.001 | R | 91.285 | &濒迟;鈥�0.001 |
Non-high-burden countries | 1 | 0.813[0.544,0.960] | &濒迟;鈥�0.001 | NA | NA | NA |
Subgroup analysis by screening strategy | 听 | 听 | 听 | 听 | 听 | 听 |
CXR only | 2 | 0.598[0.525,0.669] | &濒迟;鈥�0.001 | NA | NA | NA |
CXR and others | 7 | 0.676[0.511,0.821] | &濒迟;鈥�0.001 | R | 91.526 | &濒迟;鈥�0.001 |
Subgroup analysis by study start year | 听 | 听 | 听 | 听 | 听 | 听 |
Before 2019 | 7 | 0.723[0.581,0.847] | &濒迟;鈥�0.001 | R | 85.711 | &濒迟;鈥�0.001 |
After 2019 | 2 | 0.543[0.486,0.601] | &濒迟;鈥�0.001 | NA | NA | NA |