Table 3 Summary statistics regarding numbers of participants by funding source
Parameter | Public | Private | Combined | Total |
|---|---|---|---|---|
Number of trials (N) | 19 | 289 | 36 | 344 |
Number of participants | Â | Â | Â | Â |
   ≥100,000 | 0 | 2 | 0 | 2 |
   30,000-99,999 | 1 | 4 | 1 | 6 |
   10,000-29,999 | 1 | 38 | 3 | 42 |
   3,000-9,999 | 6 | 51 | 11 | 68 |
   1,000-2,999 | 6 | 88 | 11 | 105 |
   < 999 | 5 | 106 | 10 | 121 |
Mean | 4,696 | 5,944 | 4,703 | 5,745 |
Standard deviation | 8,877 | 21,485 | 7,299 | 19,934 |
Median | 2,331 | 1,400 | 2,450 | 1,555 |
Max | 39,876 | 300,000 | 40,000 | 300,000 |