Table 1.
Summary statistics for the breast cancer physician network and patient care networks
| Network characteristic | |
|---|---|
| Breast cancer physician network, na | 667 |
| Physician degree (number of ties to other physicians), mean (sd) | 12 (28) |
| Shared patients for each physician pair, mean (sd) | 5 (12) |
| Density (number of observed ties / total number of possible ties) | 0.02 |
| Global clustering coefficient (number of observed triplets / total number of possible triplets) | 0.15 |
| Patient care networksb, mean (sd) | |
| Size (number of physicians) | 8 (6) |
| Density | 0.72 (0.24) |
| Global clustering coefficient | 0.69 (0.27) |
a
Breast cancer physician network based on all physicians who shared at least two breast cancer patients with another physician.
b
Patient care network represents the sub-network of the breast cancer physician network including only those physicians who had a clinical encounter with the focal patient.