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Table 1 Baseline Characteristics of Cohort, Stratified by Urgency Category

From: Impact of clinical urgency, physician supply and procedural capacity on regional variations in wait times for coronary angiography

Variable Urgent Semi-urgent Elective
N 28,680 31,545 14,029
age mean +/- sd 63.9 +/- 12.8 64.3 +/- 11.4 61.0 +/- 10.8
age group 20-39 777 (2.7%) 519 (1.7%) 309 (2.2%)
  40-64 13,694 (47.8%) 14,997 (47.5%) 8,287 (59.1%)
  65-74 7,300 (25.5%) 9,557 (30.3%) 3,813 (27.2%)
  75+ 6,909 (24.1%) 6,472 (20.5%) 1,620 (11.6%)
gender male 19,250 (67.1%) 20,924 (66.3%) 9,126 (65.1%)
  female 9,430 (32.9%) 10,621 (33.7%) 4,903 (35.0%)
income quintile* 1 5,723 (20.0%) 6,146 (19.5%) 2,418 (17.2%)
  2 6,053 (21.1%) 6,549 (20.8%) 2,755 (19.6%)
  3 5,893 (20.6%) 6,394 (20.3%) 2,889 (20.6%)
  4 5,685 (19.8%) 6,447 (20.4%) 3,071 (21.9%)
  5 5,326 (18.6%) 6,009 (19.1%) 2,896 (20.6%)
wait time mean +/- sd 2.4 +/- 10.4 13.1 +/- 25.5 17.3 +/- 21.7
  1. sd refers to standard deviation.
  2. *Income quintile 1 is the lowest income category