Table 1 Types of study and their relative impact
Type of study | Number (%) | Citation rate | h-index | Correspondence from Sri Lanka (%) |
|---|---|---|---|---|
Descriptive studies | 611(35.1%) | 2.4 | 10 | 528(86.1%) |
Letters | 345(19.8%) | 0.3 | 8 | 305(88.4%) |
Case reports | 311(17.9%) | 0.6 | 9 | 296(95.2%) |
Systematic reviews | 115(6.6%) | 7.7 | 26 | 107(93.0%) |
Randomized Controlled Trials | 37(2.1%) | 18.1 | 26 | 21(56.8%) |
Pre-clinical animal studies | 35(2.0%) | 9.5 | 13 | 17(48.5%) |