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. 2008 Aug 11;8:38. doi: 10.1186/1471-2393-8-38

Table 2.

Search term combinations for identification of studies predicting complications of pre eclampsia

Population Test Outcome
History Examination Investigation Final Refinement
1. pre adj eclampsia
2. preeclampsia
3. hypertens $
4. pregnan $
5. pre-eclampsia #.DE.
6. hypertension #.DE.
7. pregnancy #.DE.
8. 3 or 6 (hypertension)
9. 4 OR 7 (pregnancy)
10. 8 and 9 (pregnancy and hypertension)		 12. history
13. parity
14. multiparity or nulliparity
15. matern$ near age
16. (previous or prior) near eclampsia
17. (previous or prior) near preeclampsia
18. (previous or prior) near pre adj eclampsia
19. multiple near pregnan$*
20. twin$ or triplet$ or quadruplet$
21. symptom$
22. headache
23. epigastric near pain
24. naus$ or vomit$
25. race
26. diabet$
27. stress
28. lupus
29. thrombophilia
30. medical-history-taking#.DE.
31. maternal-age#.DE.
32. pregnancy-multiple#.DE.
33. headache#.DE.
34. signs-and-symptoms-digestive#.DE.
35. vision-disorders#.DE.
36. weight gain#.DE.
37. population-groups#.DE.
38. diabetes-mellitus#.DE.
39. stress-psychological#.DE.
40. autoimmune-diseases#.DE.
41. thrombophilia#.DE.		 43. blood adj pressure
44. oedema or edema
45. tendon$ near reflex$
46. hyperreflexia
47. clonus
48. papilledema or papilloedema
49. retina$ near change$
50. oliguria
51. symphys$ near fundal
52. symphys$ near height
53. cardiotocogra$
54. oxygen near saturat$
55. blood-pressure-determination#.DE.
56. edema#.DE.
57. reflex-abnormal#.DE.
58. retinal-diseases#.DE.
59.oliguria#.DE.
60. cardiotocography#.DE.
61.oximetry#.DE.		 63. serum near uric adj acid
64. urin near analys $
65. urin$
66. maternal near (feto adj protein$ or fetoprotein$ or alphafetoprotein$)
67. urin$ near calcium
68. hypoalbuminemia or hypoalbuminaemia
69. microalbuminuria
70. fibronectin$
71. proteinuria
72. renal adj function near test$
73. liver adj function near test$
74. liquor near volume
75. biophysical near profile
76. ultraso$
77. antithrombin$
78. platelet adj count
79. anti adj thrombin$
80. fibrinogen
81. antiphospholipid $
82. haemoglobin
83. uric-acid-QN.DE
84. alpha-fetoproteins #.DE
85. calcium-ur. DE
86. hypoalbuminemi a#.DE.
87. fibronectins .DE.
88. proteinuria #.DE.
89. kidney-function-test s#.DE.
90. liver-function-tests #.DE.
91. ultrasonography #.DE.
92. haematologic-test s#.DE.
93. antithrombin-III. DE.
94. fibrinogen #.DE.
95. antibodies-antiphospholipid #.DE.
96. diagnostic-imaging #.DE.		 99. complicat$
100. (renal or kidney$) near (disease$ or complicat$)
101. (hepatic or liver$) near (disease$ or complicat$)
102. death or mortality
103. morbidity
104. eclampsia
105. (pulmonary or lung) near (complicat$ or disease$)
106. thromboembolism
107. pulmonary near(oedema or edema)
108. ventilat$
109. stroke
110. uter$5 near haemorrhage
111. abruption
112. (heart or cardiac) near arrest$
113. (psychiatric or mental) near (illness$ or complication$1 or disorder)
114. hospitali$
115. hypox$ near isch$
116. (development$ or learning) near (disorder$ or difficult$)
117. pregnancy-complications#.DE.
118. kidney-diseases#.DE.
119. renal-dialysis#
120. liver-diseases#.DE.
121. death#
122. eclampsia#
123. pulmonary-embolism.DE.
124. respiration-artificial#
125. cerebrovascular-disorders#.DE.
126. brain-edema.DE.
127. intracranial-hypertension#.DE.
128. uterine-haemorrhage.DE.
129. abruption-placentae#.DE.
130. heart-diseases#
131. mood-disorders#.DE.
132. hospitalization#
133. infant-newborn-diseases#
134. respiratory-distress-syndrome-newborn.DE.
135. mental-disorders-diagnosed-in-childhood#.DE.		 137. 11 and 98 and 136
(Captures Population and Test and Outcome)
138. animal = yes
139. human = yes
140. 138 not 139
141. 137 not 140
142. PT = comment or PT = letter
11. 1 OR 2 OR 5 OR 10
(Captures Population)		 42. OR/12–41
(Captures history) 		62. or/43–61
(Captures examination) 		97. or/63–96
(Captures investigation) 		136. or/99–135
(Captures Outcome)		 143. 141 not 142
Final citation set (animal only studies, comments and letters excluded)
98. 42 or 62 or 97 (Captures Test)

Key to commands and codes used in Dialog interface:

Adj = words adjacent;; near = words within five words of each other in any order;.DE. = descriptor (MeSH heading);# = Exploded MeSH heading

$ = Truncated to allow for variant word endings; QN = Quick analysis pre-exploded subheading (including analysis, blood, urine, cerebrospinal fluid, isolation and purification PT = Publication Type