From: A study of physician collaborations through social network and exponential random graph
 | t-values of ERG model |  | ||||
---|---|---|---|---|---|---|
Parameter | Low readmission rate (mean) | High readmission rate (mean) | Low cost (mean) | High cost (mean) | t-test | P (T<=t) one-tail |
est/sd(2-star) | Â | Â | 1.82 | 9.69 | 2.13 | 0.03 |
est/std(AS) | −1.73 | −3.69 |  |  | 1.75 | 0.04 |
est/std(A2P) | −5.87 | −21.58 |  |  | 3.04 | 0.01 |