Table 2.

List of studies that focus on networks using administrative health data. This study considers only those study that used administrative health data to conduct a network study in a healthcare context. Network studies based on other health data (e.g., survey data) have been excluded.

Network Type	Research Question(s)	Reference
Physician collaboration network (PCN)	-How does the microscale level structure among physicians affect hospitalization cost and emergency clinic readmission rate?	Uddin et al. [33]
	-What network attributes of PCN affect hospitalization expense and readmission rate? -How does the PCN structure ease the effective delivery of healthcare services to patients?	Uddin et al. [19]
	-How can a comprehensive connection being built among physicians when sharing patients correspond with their professional relationships?	Barnett et al. [34]
	-What correspondence and connection exist between different healthcare collaboration and coordination networks?	Uddin et al. [1]
	-How do the attributes of patient-sharing physician collaboration networks improve health results?	Uddin et al. [20]
	-Do the expert networks among physicians shift crosswise over geographic areas? -How do physician professional networks impact elements that are related to their associations?	Landon et al. [13]
	-Can coordination between physicians reduce expenses of care and probability of hospitalization?	Pollack et al. [35]
Patient-centric care coordination network	-What effects do the progressions in structural places of actors have in a short interim and aggregated network?	Uddin et al. [36]
	-How do different attributes make a significant impact on hospitalization cost and hospital length of stay? -How can a network capture coordination between patient-centric care services during patient hospitalization period?	Uddin [37]
	-How does a social network-based research framework enhance collaborative performance under various healthcare settings?	Uddin and Hossain [38]
	-Does patient-centred care network impact hospitalization cost?	Uddin and Hossain [6]
	-How do patient-physician tie quality and patient sociodemographic factors influence the social structure of tasks and conveyance of financially savvy healthcare services?	Abbasi et al. [39]
	-What characteristics of a patient-driven network produce effective clinical outcomes?	Uddin et al. [21]
Physician –nurse collaboration network	-How can physician–nurse collaboration scale be used to quantify the impression of joint practice among medical attendants and doctors?	Caricati et al. [40]
	-How does the physician–nurse collaborative relationship affect patients’ mortality and length of stay?	Tschannen and Kalisch [41]
	-How do physician and nurse form collaboration network and what improvements can be achieved in terms of the nature of medical services from such networks?	Yao et al. [42]
Physician-pharmacist collaboration network	-How can collaboration between doctors and pharmacists improve management of chronic conditions?	DeMik et al. [43]
Patient referral network	-How do small-scale and full-scale design of patient referrals under the US patient referral networks motivate future healthcare developments? -What is the motivation of future healthcare developments?	An et al. [24]
	-Can network analysis find appropriate referral networks for healthcare organizations?	Vukmir et al. [25]
	-What impacts various patient referral designs have on the potential spread of emergency clinics between various classes of medical organizations?	Donker et al. [44]
Disease network	-How network-based approach and clinical regulatory information can assist in building up a portrayal of chronic disease movement?	Khan et al. [45]
	-How accurately a disease prediction framework can predict the risk of chronic diseases?	Khan et al. [46]
	-How can comorbidity patterns enhance the understanding of different risk factors for chronic diseases?	Khan et al. [27]
	-How does the comorbidity of multiple chronic ailments lead to the progression of cardiovascular conditions?	Hossain and Uddin [47]
Polymedication network	-Is managerial information useful to recognize drug regimens from discrete data of medication dispenses?	Khan et al. [29]
	-How does a polymedication network help healthcare system administrators to assemble the maps of diagnostics and recommend drugs with regards to constant ailments and polypharmacy?	Zamora et al. [48]
	-How can pharmacological mechanisms be investigated using a poly-dimensional network?	Liu et al. [49]
	-What association between the attributes of patients and health service providers lead to the utilization of paediatric psychotropic polypharmacy?	Medhekar et al. [50]
	-How should specialists review available data to understand patients and the relevant therapeutic practice?	Franchini et al. [51]