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. 2017 Jun 2;12(6):e0178401. doi: 10.1371/journal.pone.0178401

Table 1. Descriptive analysis of NCD papers published from 2000 until 2013 in selected Arab countries.

Countries (listed by GDP/capita) Lower Middle Income Countries Upper Middle Income Countries High Income Countries Pooled
Sudan Palestine Morocco Iraq Lebanon Bahrain Kuwait
Total population 37,195,000 4,550,368 32,521,000 32,778,000 4,647,000 1,318,000 3,250,000
NCD Proportionate Mortality Rate 53.9% 77.8% 74.5% 62.0% 89.9% 75.0 75.5%
  Count % Count % Count % Count % Count % Count % Count %   Count %
Total (crude) no. of NCD publications 169 4.5 157 4.2 1103 29.2 260 6.9 996 26.4 196 5.2 895 23.7 Total 3776 100.0
NCD publication rate (per million population) 4.6 37.5 34.2 8.0 214.3 151.0 276.3 Average 142.2
Study Design Observational 102 60.4 102 68.0 305 28.2 139 56.7 347 36.8 119 61.0 409 45.8   1523 41.4
Case report/ Series 22 13.0 2 1.3 546 50.5 25 10.2 177 18.8 17 8.7 117 13.1 906 24.6
Lab studies 16 9.5 17 11.3 123 11.4 39 15.9 138 14.6 16 8.2 227 25.4 576 15.7
Reviews 18 10.7 13 8.7 72 6.7 12 4.9 170 18.0 37 19.0 96 10.8 418 11.4
Interventional 6 3.6 1 0.7 8 0.7 18 7.3 52 5.5 0 0.0 23 2.6 108 2.9
Others 5 3.0 15 10.0 27 2.5 12 4.9 59 6.3 6 3.1 21 2.3 145 3.9
    169 100 150 100 1081 100 245 100 943 100 195 100 893 100 Total 3676 100.0
Risk Factor Physiologic 33 22.3 57 24.7 145 21.9 54 25.2 167 27.5 82 29.4 267 26.0 805 25.4
Social/ Structural 39 26.4 64 27.7 144 21.8 52 24.3 159 26.2 69 24.7 213 20.7 740 23.3
Behaviors 44 29.7 34 14.7 103 15.6 37 17.3 164 27.0 49 17.6 128 12.5 559 17.6
Others 32 21.6 76 32.9 270 40.8 71 33.2 118 19.4 79 28.3 420 40.9   1066 33.6
148 100.0 231 100.0 662 100.0 214 100.0 608 100.0 279 100.0 1028 100.0 Total* 3170 100.0
Outcome Cancer 95 53.1 29 14.6 723 59.0 103 38.3 449 42.4 37 14.5 337 30.7   1773 41.4
CVD 34 19.0 60 30.2 176 14.4 65 24.2 282 26.6 81 31.8 261 23.8 959 22.4
DM 14 7.8 22 11.1 73 6.0 23 8.6 68 6.4 27 10.6 82 7.5 309 7.2
COPD 12 6.7 19 9.5 52 4.2 16 5.9 79 7.5 8 3.1 65 5.9 251 5.9
Others 24 13.4 69 34.7 201 16.4 62 23.0 182 17.2 102 40.0 351 32.0   991 23.1
  179 100.0 199 100.0 1225 100.0 269 100.0 1060 100.0 255 100.0 1096 100.0 Total* 4283 100.0
Study Setting Hospital/ Clinic based 87 51.5 56 37.1 777 73.0 157 64.9 447 47.5 92 47.9 436 49.0   2052 56.2
Community based 44 26.0 64 42.4 79 7.4 34 14.0 163 17.3 36 18.8 116 13.0   536 14.7
Laboratory based 13 7.7 15 9.9 96 9.0 31 12.8 120 12.7 12 6.3 200 22.5   487 13.3
Others 25 14.8 16 10.6 112 10.5 20 8.3 212 22.5 52 27.1 138 15.5   575 15.8
169 100.0 151 100.0 1064 100.0 242 100.0 942 100.0 192 100.0 890 100.0 Total 3650 100.0
Other features % with public health focus 77 45.6 104 66.2 212 19.2 66 25.4 287 28.8 91 46.4 288 32.2 Total 1125 29.8
% collaboration with govt./NGOs co-author) 31 18.3 18 11.5 53 4.8 17 6.5 59 5.9 27 13.8 86 9.6 Total 291 7.7

* The total number do not add to the total (crude) count, because some papers may fit into more than one category, while others may not fit into any category or may be 'not applicable'.