Table 4 Common countries of first-author affiliations for 3,107 English-language articles in the Malaria in Pregnancy Library, January 2012
From: The Malaria in Pregnancy Library: a bibliometric review
| Â | Country | Number | Articles in activejournals (%) | Articles indexedin PubMed (%) | Articles in journals withimpact factor (%) | Median impactfactor (range) | Articles injournals with AIS (%) | MedianAIS (range) |
|---|---|---|---|---|---|---|---|---|
1 | USA | 669 | 639 (95.5) | 627 (93.7) | 571 (85.4) | 3.55 (0.28-53.49) | 565 (84.5) | 1.23 (0.06-21.35) |
2 | UK | 384 | 339 (88.3) | 333 (86.7) | 293 (76.3) | 3.49 (0.44-36.10) | 289 (75.3) | 1.07 (0.17-19.31) |
3 | Nigeria* | 269 | 246 (91.4) | 174 (64.7) | 111 (41.3) | 1.25 (0.16-36.10) | 81 (30.1) | 0.53 (0.01-19.31) |
4 | Thailand | 124 | 115 (92.7) | 118 (95.2) | 104 (83.9) | 3.03 (0.44-53.49) | 103 (83.1) | 0.91 (0.17-21.35) |
5 | India†| 123 | 116 (94.3) | 96 (78.0) | 60 (48.8) | 1.59 (0.30-33.63) | 47 (38.2) | 0.58 (0.16-12.72) |
6 | France | 120 | 118 (98.3) | 119 (99.2) | 115 (95.8) | 3.49 (0.97-33.63) | 115 (95.8) | 0.99 (0.35-12.72) |
7 | Australia | 113 | 107 (94.7) | 103 (91.2) | 100 (88.5) | 4.10 (0.59-35.20) | 94 (83.2) | 1.33 (0.34-16.12) |
8 | Tanzania | 82 | 71 (86.6) | 71 (86.6) | 43 (52.4) | 2.79 (0.30-33.63) | 42 (51.2) | 0.91 (0.35-12.72) |
9 | Kenya | 68 | 64 (94.1) | 60 (88.2) | 49 (72.1) | 2.84 (1.08-33.63) | 48 (70.6) | 0.99 (0.35-16.82) |
9 | Denmark | 68 | 65 (95.6) | 66 (97.1) | 66 (97.1) | 4.10 (1.60-33.63) | 64 (94.1) | 1.33 (0.48-12.72) |