A study of physician collaborations through social network and exponential random graph

Uddin, Shahadat; Hossain, Liaquat; Hamra, Jafar; Alam, Ashraful

doi:10.1186/1472-6963-13-234

BMC Health Services Research

Table 5 The results from high-order model (i.e. 2-star , 3-star , alternating-k-stars , alternating-k-triangles , alternating-k-two-paths model)

From: A study of physician collaborations through social network and exponential random graph

Effects	Estimates	stderr	Est./stderr	Estimates	stderr	Est./stderr	Estimates	stderr	Est./stderr	Estimates	stderr	Est./stderr	Estimates	stderr	Est./stderr
Effects	Low cost
		N1			N2			N3			N4			N5
2-star	0.04	0.01	6.25	0.12	0.04	2.66	−0.04	0.04	−0.97	0.03	0.01	2.02	−0.02	0.02	−0.84
3-star	0.00	0.00	0.24	0.00	0.00	0.86	0.01	0.00	2.55	0.00	0.00	−0.41	0.00	0.00	3.03
AS	−1.95	0.42	−4.60	−2.39	1.24	−1.92	−1.24	0.61	−2.01	−1.36	0.38	−3.58	−3.55	1.23	−2.89
AT	1.28	0.10	12.64	−0.05	0.07	−0.73	1.37	0.19	7.04	1.64	0.14	11.54	1.43	0.11	12.68
A2P	−0.05	0.01	−5.70	−0.17	0.03	−6.02	−0.17	0.02	−7.98	−0.02	0.02	−0.85	−0.14	0.01	−15.40
	High cost
		N1			N2			N3			N4			N5
2-star	0.04	0.00	19.35	0.03	0.00	13.71	0.02	0.00	9.53	−0.04	0.03	−1.34	0.08	0.01	7.19
3-star	0.00	0.00	−3.84	0.00	0.00	−1.74	0.00	0.00	−1.10	0.00	0.00	2.58	0.00	0.00	−0.77
AS	−5.45	1.03	−5.28	−5.05	1.14	−4.44	−3.30	0.55	−5.96	−9.60	8.41	−1.14	−3.68	1.30	−2.83
AT	0.76	0.06	11.74	1.06	0.08	12.72	1.72	0.08	20.66	−0.43	0.06	−6.59	0.33	0.09	3.51
A2P	−0.05	0.00	−14.60	−0.06	0.00	−13.60	−0.04	0.00	−7.76	−0.23	0.02	−11.99	−0.07	0.01	−5.40
	Low readmission rate
		N1			N2			N3			N4			N5
2-star	−0.81	1.78	−0.45	0.05	0.03	1.76	0.01	0.06	0.21	0.03	0.02	1.41	0.02	0.09	0.16
3-star	0.08	0.42	0.18	0.00	0.00	1.75	0.01	0.00	1.89	0.00	0.00	1.40	0.01	0.01	1.06
AS	0.15	2.98	0.05	−1.76	0.77	−2.28	−5.05	1.94	−2.60	−3.21	0.89	−3.61	−0.19	0.98	−0.20
AT	1.31	0.33	3.93	0.68	0.12	5.49	0.70	0.14	4.94	1.71	0.19	8.79	−0.02	0.11	−0.20
A2P	0.17	0.36	0.46	−0.11	0.03	−4.05	−0.24	0.02	−13.12	−0.11	0.01	−9.88	−0.16	0.06	−2.76
	High readmission rate
		N1			N2			N3			N4			N5
2-star	0.02	0.01	0.05	0.06	0.01	−0.03	−0.02	0.01	0.02	0.05	0.03	0.04	0.30	0.26	−0.17
3-star	0.00	0.00	0.07	0.00	0.00	0.05	0.00	0.00	0.08	0.00	0.00	0.04	−0.02	0.02	−0.17
AS	−5.23	1.29	0.04	−8.65	1.25	−0.02	−6.65	2.47	0.05	−7.54	2.95	0.01	−26.01	11.73	−0.34
AT	0.48	0.11	−0.02	0.97	0.10	0.01	0.46	0.12	−0.01	0.97	0.15	0.03	−0.07	0.07	−0.34
A2P	−0.15	0.01	0.05	−0.11	0.00	0.05	−0.18	0.01	0.09	−0.11	0.02	−0.04	−0.33	0.01	0.09

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