Table 3.

Collaboration patterns in multi-institutional studies by location of study (n = 263)

Where was the study conducted	Number of studies (overall)	Number of studies conducted in one country	Number of studies conducted in multiple countries
Missing	62	NA	NA
LMIC only	1	0	0
All authors from one LMIC	0 (0%)	NA	NA
Authors from >1 LMIC	1 (100%)	NA	NA
HIC and LMIC	34	0	34
One HIC and One LMIC author	0 (0%)	NA	0 (0%)
Authors from >1 HIC and >1 LMIC	26 (76%)	NA	26 (76%)
HIC only	166	125	41
All authors from one HIC	131 (79%)	119 (95%)	12 (29%)
Authors from >1 HIC	35 (21%)	6 (5%)	29 (71%)
Total	263	126	75

NA = not applicable.