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Table 3 Comparison of information on execution of thyroid surgery (A), lymph node dissection (B) and administration of radioiodine (C) between administrative data sources

From: Combining data to perform population-based observational studies: know your sources. The case of thyroid cancer in Belgium

A.

 

HIC

  

B.

 

HIC

  
  

yes

no

total

  

yes

no

total

PAT

yes

2140

121

2261

PAT

yes

414

193

607

 

no

55

84

139

 

no

116

1677

1793

 

total

2195

205

2400

 

total

530

1870

2400

  

MDT

  

C.

 

HIC

  
  

yes

no

total

  

yes

no

total

PAT

yes

1574

173

1747

MDT

yes

678

215

893

 

no

37

35

72

 

no

208

718

926

 

total

1611

208

1819

 

total

886

933

1819

  

HIC

       
  

yes

no

total

     

MDT

yes

1516

95

1611

     
 

no

158

50

208

     
 

total

1674

145

1918

     
  1. HIC health insurance companies; MDT multidisciplinary team meeting reports; PAT full text pathology reports
  2. Surgery according to HIC corresponds to surgery performed from 3 months before incidence until 3 months after incidence.
  3. Lymph node dissection according to HIC corresponds to all lymph node dissections without timeframe.
  4. Isotope administration according to HIC corresponds to high activity radioiodine (30 mCi or more) administration after thyroidectomy.