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. 2011 Nov 1;11:148. doi: 10.1186/1471-2288-11-148

Table 2.

Results of questionnaire survey

Questionnaire Parameter Funding source * p-value

Public
N = 14
Private
N = 29
Combined
N = 9
Others
N = 11
Total
N = 63
Number of participants N 12 29 9 11 61 0.6296
Mean 1260.6 3301.9 3361.1 1489.4 2582.2
SD 991.9 4311.4 6295.9 1202.5 3910.3
Minimum 861.5 1748 1200 1090 1200
Q1 575 500 800 500 500
Median 2000 4418 2000 2046.5 3000
Q3 300 110 300 300 110
Maximum 3000 20000 20000 4000 20000

Total investigation cost JPY < 10 million(USD < 0.11 million) 0 2 (6.9%) 0 6 (54.5%) 8 (12.7%) 0.0003
JPY 10 - 30 million (USD 0.11 - 0.33 million) 2 (14.3%) 1 (3.4%) 1 (11.1%) 1 (9.1%) 5 (7.9%)
JPY 30 - 100 million (USD 0.33 - 1.09 million) 4 (28.6%) 3 (10.3%) 1 (11.1%) 2 (18.2%) 10 (15.9%)
JPY 100 - 300 million (USD 1.09 - 3.27 million) 7 (50.0%) 10 (34.5%) 1 (11.1%) 1 (9.1%) 19 (30.2%)
JPY 300 million - 1 billion (USD 3.27 - 10.9 million) 0 4 (13.8%) 6 (54.5%) 0 10 (15.9%)
JPY 1 - 3 billion (USD 10.9 - 32.7 million) 0 2 (6.9%) 0 0 2 (3.2%)
JPY ≥ 3 billion (USD ≥ 32.7 million) 0 1 (3.4%) 0 0 1 (1.6%)
Unknown or unspecified 1 (7.1%) 6 (20.7%) 0 1 (9.1%) 8 (12.7%)

Organization responsible for monitoring Pharmaceutical company 0 6 (20.7%) 1 (11.1%) 1 (9.1%) 8 (12.7%) -
CRO (Contract research organization) 0 5 (17.2%) 2 (22.2%) 0 7 (11.1%)
Academic organization 5 (35.7%) 9 (31.0%) 3 (33.3%) 9 (81.8%) 26 (41.3%)
Others 10 (71.4%) 13 (44.8%) 6 (54.5%) 2 (18.2%) 31 (49.3%)

Organization responsible for data management Pharmaceutical company 0 6 (20.7%) 1 (11.1%) 0 7 (11.1%) -
CRO (Contract research organization) 1 (7.1%) 8 (27.6%) 0 0 9 (14.3%)
Academic organization 5 (35.7%) 9 (31.0%) 4 (44.4%) 8 (72.7%) 26 (41.3%)
Others 10 (71.4%) 10 (34.5%) 6 (54.5%) 2 (18.2%) 28 (44.4%)

External efficacy evaluation committee Yes 9 (64.3%) 17 (58.6%) 8 (88.9%) 6 (54.5%) 40 (63.5%) 0.5323
No 5 (35.7%) 7 (24.1%) 1 (11.1%) 4 (36.4%) 17 (27.0%)
Unknown or unspecified 0 5 (17.2%) 0 1 (9.1%) 6 (9.5%)
External safety monitoring committee Yes 11 (78.6%) 16 (55.2%) 7 (77.8%) 6 (54.5%) 40 (63.5%) 0.6671
No 3 (21.4%) 9 (31.0%) 2 (22.2%) 4 (36.4%) 18 (28.6%)
Unknown or unspecified 0 4 (13.8%) 0 1 (9.1%) 5 (7.9%)

Biostatistician Yes 11 (78.6%) 21 (72.4%) 7 (77.8%) 6 (54.5%) 45 (71.4%) 0.7010
No 3 (21.4%) 6 (20.7%) 2 (22.2%) 4 (36.4%) 15 (23.8%)
Unknown or unspecified 0 2 (6.9%) 0 1 (9.1%) 3 (4.8%)

Approval of IRB Yes 14 (100%) 26 (89.7%) 9 (100%) 9 (81.8%) 58 (92.1%) 0.4785
No 0 3 (10.9%) 0 1 (9.1%) 4 (6.3%)
Unknown or unspecified 0 0 0 1 (9.1%) 1 (1.6%)

Site of registration University hospital Medical Information Network (UMIN) 7 (50.0%) 8 (27.6%) 5 (55.6%) 4 (36.4%) 24 (38.1%) -
clinicaltrials.gov 7 (50.0%) 7 (24.1%) 4 (44.4%) 3 (27.3%) 21 (33.3%)
Japan Pharmaceutical Information Center (JAPIC) 0 1 (3.4%) 0 0 1 (1.6%)
Japan Medical Association 0 0 0 0 0
Others 1 (7.1%) 2 (6.9%) 0 0 3 (4.8%)
Not registered 3 (21.4%) 13 (44.8%) 3 (33.3%) 4 (36.4%) 23 (36.5%)
Unknown or unspecified 1 (7.1%) 0 0 1 (9.1%) 2 (3.2%)

* Funding sources were categorized based on the answers to questionnaire regarding funding sources;

- Public: Public agency

- Private: Foundation, private organization

- Combined: More than one funding source

- Others: Self-funding, other

P-values were calculated using Kruskal-Wallis test.

Multiple answers were allowed. Therefore, the sum of all frequencies is not equal to 63 (100%).