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Table 2 Data dictionary for the variables used in the study

From: Socioeconomic differences in waiting times for elective surgery: a population-based retrospective study

Description

Codes/Values

Waiting time from registration to surgery

Integer for number of days

Education (at surgery time)

Primary school or less (LOW)

 

Middle school (MIDDLE)

 

Upper secondary school or higher education (HIGH)

Gender

Male

 

Female

Age groups (at surgery)

<= 54

 

55-64

 

65-74

 

> = 75

Year of registration

<2006

 

2006

 

2007

 

2008

CCI

0,1,or 2 (≥2)

LHA/HT

LHA- City of Turin; LHA - Western Piedmont; LHA - Northern Piedmont; LHA - Southern Piedmont; LHA - Eastern Piedmont; HT - City of Turin; HT - Piedmont Region; Other Hospitals.