Table 1 Characteristics of included studies and mean number of citations
From: Determinants of the citation rate of medical research publications from a developing country
Number (%) | Mean citations (95% CI) | |
|---|---|---|
Type of journal | ||
Local | 189 (24.6) | 0.29# (0.19–0.39) |
International | 579 (75.4) | 2.12# (1.80–2.44) |
Type of study | ||
Research study | 425 (55.3) | 2.04#,β (1.67–2.41) |
Audits or Editorials or Letters | 159 (20.7) | 0.88# (0.53–1.23) |
Systematic review and/or meta-analysis | 62 (8.1) | 3.50#,β (2.18–4.82) |
Case report or case series | 122 (15.9) | 0.49β (0.30–0.68) |
Research study design | ||
Case Control studies | 45 (10.6) | 2.69# (1.54–3.84) |
Descriptive Cross-sectional studies | 115 (27.1) | 1.17#,β,α (0.84–1.49) |
Cohort studies | 61 (14.4) | 2.13 (0.91–3.36) |
Experimental studies | 71 (16.7) | 3.08β (1.81–4.35) |
Pre-clinical studies | 83 (19.5) | 1.18μ (0.67–1.69) |
Clinical studies | 26 (6.1) | 3.73α,μ (2.17–5.30) |
Other | 24 (5.6) | 2.83 (0.34–5.32) |
Country of study | ||
Only in Sri Lanka | 639 (83.2) | 1.12#,β (0.94–1.29) |
Only abroad | 104 (13.5) | 4.11# (3.02–5.19) |
Both in Sri Lanka and abroad | 25 (3.3) | 5.72β (2.20–9.24) |
Type of collaboration | ||
Local collaboration* | 115 (30.7) | 1.53#,β,α (0.97–2.09) |
Local and regional collaborations* | 47 (12.6) | 3.17# (2.67–4.67) |
Local and international* | 184 (49.2) | 3.18β (2.49–3.87) |
Local, regional and international | 28 (7.5) | 4.07α (1.28–6.86) |