. Author manuscript; available in PMC: 2013 Oct 13.

Published in final edited form as: Methods Inf Med. 2013 May 13;52(5):382–394. doi: 10.3414/ME12-01-0092

Table A.1.

Cluster membership by type (D: disease-characteristic; P: patient-characteristic; C: combined-all-classes)

Cluster	Trials in Cluster	P-value
D1	NCT01349322, NCT00679029, NCT00237627, NCT00740805	0.03
D2	NCT00770809, NCT00499083, NCT00176488, NCT00629616, NCT00629278, NCT01155258, NCT00004157, NCT00005800, NCT00003425, NCT00082641, NCT00001193, NCT00005023, NCT00527293, NCT01019720, NCT00003953, NCT00647218, NCT00265759, NCT00427245, NCT00002784	0.02
D3	NCT00365287, NCT00994968, NCT00004175, NCT00452140, NCT01319539, NCT00516243, NCT00262834, NCT00659568, NCT00052351, NCT00203372, NCT00769470	0.04
D4	NCT00641303, NCT00905086, NCT00363012, NCT00903305, NCT00795769, NCT00003095, NCT00316407, NCT01050075, NCT00005993, NCT00096161, NCT01525407, NCT00408681, NCT01185132, NCT00533936	0.05
D5	NCT00001384, NCT00006256, NCT00436254, NCT00003002, NCT00182793, NCT00008203, NCT00006225 NCT00004172, NCT01159067, NCT00109993, NCT00824538, NCT00640861, NCT00128856, NCT00107510, NCT00309920, NCT01352494, NCT00295893, NCT00002696, NCT00004018, NCT00127205, NCT01077154, NCT00334542	0.04
P1	NCT00127205, NCT00004175, NCT00003953, NCT00262834, NCT00006256	0.05
P2	NCT00679029, NCT00499083	0.05
P3	NCT01352494, NCT00769470	0.04
P4	NCT00096161, NCT00001384, NCT00001193	0.03
P5	NCT00824538, NCT00647218	0.00
P6¹	NCT00903305, NCT00363012	0.03
C1	NCT00001193, NCT00005023	0.02
C2¹	NCT00363012, NCT00003095, NCT00903305	0.04

The trials in this cluster contained very few eligibility criteria requirements