Table 2 Comparison of demographic information of patients selected for the reliability study versus that of all the patients from the risk factors for TKR revision study
From: Reliability of medical record abstraction by non-physicians for orthopedic research
Categories | Sample patients | Other patients | |
|---|---|---|---|
(n = 75) | (n = 363) | ||
Age | Mean | 72.2 | 73.0 |
SD | 12.6 | 13.3 | |
Age at primary TKR | Mean | 62.4 | 62.9 |
SD | 12.9 | 12.7 | |
Gender | Female | 52 (69%) | 255 (70%) |
Race (%) | Asian | 1 (1%) | 1 (0%) |
Black | 10 (13%) | 46 (13%) | |
Hispanic | 3 (4%) | 10 (3%) | |
White | 57 (76%) | 293 (81%) | |
Marital Status (%) | Divorced | 8 (11%) | 31 (9%) |
Married | 40 (53%) | 192 (53%) | |
Single | 13 (17%) | 54 (15%) | |
Widowed | 10 (13%) | 72 (20%) | |
Revision? (%) | Yes | 36 (48%) | 111 (31%) |
Surgeon (%) | Surgeon 1 | 18 (24%) | 69 (19%) |
Surgeon 2 | 14 (19%) | 50 (14%) | |
Surgeon 3 | 9 (12%) | 45 (12%) | |
Surgeon 4 | 7 (9%) | 47 (13%) | |
Surgeon 5 | 7 (9%) | 26 (7%) | |
Other (15) | 20 (27%) | 126 (35%) |