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Table 3 The description of the study cohorts

From: Update on the risks of complications after knee arthroscopy

 

Main analysis

Sensitivity analysis

 

Arthroscopy patients, n = 18,735

References (general population), n = 1,171,084

Arthroscopy patients, n = 15,528

References (knee patients), n = 44,804

Age, mean (SD) years

39.4 (15.4)

45.5 (20.3)

40.1 (15.4)

49.8 (19.5)

Women, n (%)

7398 (39.5)

604,583 (51.6)

5900 (38)

22,721 (51)

Level of education (years), n (%)

 Primary school (up to 9)

3824 (21)

282,043 (27)

3114 (21)

11,611 (27)

 High school (10–12)

8984 (50)

436,465 (41)

7555 (50)

18,863 (44)

 Higher education (13–14)

2419 (13)

141,418 (13)

2057 (14)

5277 (12)

 Higher education (15+)

2855 (16)

204,085 (19)

2407 (16)

6803 (16)