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. Author manuscript; available in PMC: 2018 Mar 1.
Published in final edited form as: Pediatr Crit Care Med. 2017 Mar;18(3):e146–e154. doi: 10.1097/PCC.0000000000001078

Table 4.

Factors affecting feasibilitya.

Factorb Feasible studies (n = 3) Infeasible studies (n = 11) P value
Source of funding - % industryc 66.7 9.1 0.038
Participating centres – median (IQR) - n 2 (2, 14) 1 (1, 5) 0.75
Sample size – median (IQR) - n 120 (111, 194) 60 (38, 106) 0.02
Study duration – median (IQR) - months 49 (35, 52) 21 (13, 27) 0.74
Recruitment rate – median - no. patients per month 2.2 (0.2, 2.6) 0.5 (0.3, 12.3) 0.78
a

Based on the fourteen studies in which a primary outcome measure was clearly defined.

b

Consent rates were not included in the table as consent data was only provided for two of the 14 studies in which the primary outcome was reported.

c

Choong et al had a small grant from industry but was primarily funded by granting agencies.