Table.
Descriptive statistics of included studies
| Number of publications (% of total) | |
|---|---|
| Publication year | |
|
| |
| 1960–69 | 4 (1·3%) |
| 1970–79 | 1 (0·3%) |
| 1980–89 | 1 (0·3%) |
| 1990–99 | 15 (4·8%) |
| 2000–09 | 95 (30·4%) |
| 2010–17 | 196 (62·8%) |
|
| |
| Model structure* | |
|
| |
| A | 60 (19·2%) |
| B | 27 (8·7%) |
| C | 33 (10·6%) |
| D | 3 (1·0%) |
| E | 153 (49·0%) |
| F | 35 (11·2%) |
| G | 1 (0·3%) |
| H | 2 (0·6%) |
| I | 2 (0·6%) |
| J | 1 (0·3%) |
| K | 1 (0·3%) |
| L | 1 (0·3%) |
|
| |
| Setting* | |
|
| |
| High burden | 193 (61·9%) |
| Low burden | 72 (23·1%) |
| Not specified | 72 (23·1%) |
|
| |
| Risk strata* | |
|
| |
| Age | 29 (10·0%) |
| Drug resistance | 10 (3·2%) |
| Foreign born | 5 (1·6%) |
| Genetic susceptibility | 4 (1·4%) |
| Poverty | 1 (0·3%) |
| Rural vs urban | 1 (0·3%) |
| Sex | 2 (0·7%) |
| Smoking | 4 (1·4%) |
| Incarceration | 2 (0·7%) |
| Diabetes | 2 (0·7%) |
| Famine vs nutrition | 2 (0·7%) |
| Hepatitis B virus | 1 (0·3%) |
| HIV | 79 (27·1%) |
| Malaria | 1 (0·3%) |
| Silicosis | 2 (0·7%) |
| Any risk stratification | 122 (39·1%) |
See figure 1 for the model structures.
*
Categories sum to more than 100% because some papers are included in multiple categories (ie, use multiple different structures, present results for multiple settings, or stratify progression risk along multiple dimensions).