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Table 1 Baseline demographic information for the study population stratified for survival status

From: Relative survival following hemi-and total hip arthroplasty for hip fractures in Sweden

  Alive Dead Total P-value
Sample Size 22,575 21,316 43,891  
Sex: Female (%) 16,857 (74.7) 13,988 (65.6) 30,845 < 0.001
Age (mean & sd) 79.33 (9.17) 83.85 (7.77)   < 0.001
Hospital type (%)     < 0.001
 University 5677 (25.1) 5916 (27.8) 11,593  
 County 12,089 (53.6) 11,299 (53.0) 23,388  
 Rural 3905 (17.3) 3351 (15.7) 7256  
 Private 904 (4.0) 750 (3.5) 1654  
Prosthesis: Total hip arthoplasty (%) 7887 (34.9) 2690 (12.6) 10,577 < 0.001
Education (%)     < 0.001
 Low 12,309 (54.5) 12,695 (59.6) 25,004  
 Middle 6968 (30.9) 5740 (26.9) 12,708  
 High 2793 (12.4) 1914 (9.0) 4707  
 Missing 505 (2.2) 967 (4.5) 1472  
Civil status (%)     < 0.001
 Couple 7971 (35.3) 6269 (29.4) 14,240  
 Single 5489 (24.3) 4417 (20.7) 9906  
 Widow 9071 (40.2) 10,620 (49.8) 19,691  
 Missing 44 (0.2) 10 (0.0) 54  
Elixhauser index (mean & sd) 1.13 (1.35) 1.27 (1.53)   < 0.001
Elixhauser stratified (%)     < 0.001
 0 9930 (44.0) 9534 (44.7) 19,464  
 1 5448 (24.1) 4087 (19.2) 9535  
 2 3754 (16.6) 3467 (16.3) 7221  
 3+ 3443 (15.3) 4228 (19.8) 7671