Table 1.
Search terms and number of articles found in PubMed Advanced search as of 10 March 2022
| Searches | Search term | Items found |
|---|---|---|
| 01 | “Rural communities”[All Fields] | 8,220 |
| 02 | “Remote population”[All Fields] | 84 |
| 03 | “Hard to reach areas”[All Fields] | 203 |
| 04 | “Medically underserved population”[All Fields] | 8,394 |
| 05 | 1 or 2 or 3 or 4 | 16,648 |
| 06 | “Healthcare service”[All Fields] | 2,435 |
| 07 | “Primary healthcare”[All Fields] | 8,556 |
| 08 | “Essential health services”[All Fields] | 307 |
| 09 | “Basic health services”[All Fields] | 382 |
| 10 | “Health extension program”[All Fields] | 101 |
| 11 | “Community health program”[All Fields] | 225 |
| 12 | “Health post”[All Fields] | 582 |
| 13 | “Community health worker” [All Fields] | 1,576 |
| 14 | “Strategies to improve healthcare” [All Fields] | 24 |
| 15 | “Access to essential healthcare services” [All Fields] | 12 |
| 16 | “Access to basic healthcare services” [All Fields] | 7 |
| 17 | “Equity to healthcare services” [All Fields] | 30 |
| 18 | “Health financing” [All Fields] | 43 |
| 19 | “Primary healthcare service delivery” [All Fields] | 6 |
| 20 | “Population health management” [All Fields] | 51 |
| 21 | “Availability of effective PHC services” [All Fields] | 130 |
| 22 | “Effective service coverage” [All Fields] | 65 |
| 23 | “Strategies to tackle healthcare barriers” [All Fields] | 147 |
| 24 | “Strategies to improve healthcare system” [All Fields] | 36,735 |
| 25 | 6 or 7 or 8 or 9 or 10 or 11 or 12 or 13 or 14 or 15 or 16 or 17 or 18 or 19 or 20 or 21 or 22 or 23 or 24 | 66,124 |
| 26 | 5 and 25 | 914 |