Table 5.
Distribution of Level of Evidence and category of the topic of the published articles
| Number of articles in each category of the topic (Percentage) | Total number of articles published | Chi-square value | P value | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |||||
| Level of Evidence | A | 34 (36) | 7 (7) | 8 (9) | 8 (9) | 21 (23) | 2 (2) | 1 (1) | 12 (13) | 93 (100) | 387.019a | 0.000* |
| B | 49 (14) | 87 (25) | 54 (15) | 27 (8) | 83 (23) | 14 (4) | 11 (3) | 29 (8) | 354 (100) | |||
| C | 11 (5) | 47 (23) | 33 (16) | 22 (11) | 36 (18) | 9 (4) | 16 (8) | 31 (15) | 205 (100) | |||
| D | 9 (2) | 260 (58) | 44 (10) | 18 (4) | 43 (10) | 6 (1) | 34 (7) | 35 (8) | 449 (100) | |||
| E | 7 (4) | 39 (24) | 17 (11) | 11 (7) | 20 (12) | 7 (4) | 4 (2) | 58 (36) | 163 (100) | |||
| Total | 110 (9) | 440 (35) | 156 (12) | 86 (7) | 203 (16) | 38 (3) | 66 (5) | 165 (13) | 1264 (100) | |||
The values in the tables were presented as percentages of total number of articles published
Chi-square test was used to analyse the significant difference between the year and Level of Evidence values of the published articles
*P value of less than 0.05 was considered significant