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Table 1 Baseline characteristics of hip fractures among nonagenarians stratified by fracture type

From: Mortality, readmission, and reoperation after hip fracture in nonagenarians

   Total Cervical Trochanteric  
N = 11,184 N = 4,411 (39.4%) N = 6773 (60.6%)  
N (%) N (%) N (%) p-value
Age (yrs) Mean ± SD 93 (2.7) 93 (2.4) 93 (2.9) <0.001
Gender Female 7,560 (67.6) 3,022 (68.5) 4,538 (67.0) 0.098
Male 3,624 (32.4) 1,389 (31.5) 2,235 (33.0)  
Operation Type Fixation 7,264 (64.9) 758 (17.2) 6,506 (96.1) <0.001
Hemiarthroplasty 3,920 (35.1) 3,653 (82.8) 267 (3.9)  
CCIa Score 0 4,671 (41.8) 1,865 (42.3) 2,806 (41.4) 0.049
1 2,707 (24.2) 1,089 (24.7) 1,618 (23.9)  
2 1,580 (14.1) 571 (12.9) 1,009 (14.9)  
3 983 (8.8) 403 (9.1) 580 (8.6)  
4 1,243 (11.1) 483 (10.9) 760 (11.2)  
Hypertension No 6,017 (53.8) 2,318 (52.6) 3,699 (54.6) 0.033
Yes 5,167 (46.2) 2,093 (47.4) 3,074 (45.4)  
Diabetes Mellitus No 9,847 (88.0) 3,911 (88.7) 5,936 (87.6) 0.107
Yes 1,337 (12.0) 500 (11.3) 837 (12.4)  
Heart Disease No 8,296 (74.2) 3,300 (74.8) 4,996 (73.8) 0.216
Yes 2,888 (25.8) 1,111 (25.2) 1,777 (26.2)  
Chronic Pulmonary Disease No 8,570 (76.6) 3,429 (77.7) 5,141 (75.9) 0.025
Yes 2,614 (23.4) 982 (22.3) 1,632 (24.1)  
Cerebrovascular Disease No 9,377 (83.8) 3,708 (84.1) 5,669 (83.7) 0.618
Yes 1,807 (16.2) 703 (15.9) 1,104 (16.3)  
Cancer No 10,353 (92.6) 4,069 (92.2) 6,284 (92.8) 0.302
Yes 831 (7.4) 342 (7.8) 489 (7.2)  
Primary solid cancer No 10,397 (93.0) 4,082 (92.5) 6,315 (93.2) 0.162
Yes 787 (7.0) 329 (7.5) 458 (6.8)  
Chronic Liver Disease No 10,756 (96.2) 4,231 (95.9) 6,525 (96.3) 0.267
Yes 428 (3.8) 180 (4.1) 248 (3.7)  
Chronic Renal Disease No 10,782 (96.4) 4,232 (95.9) 6,550 (96.7) 0.038
Yes 402 (3.6) 179 (4.1) 223 (3.3)  
  1. SD standard deviation
  2. aCharlson Comorbidity Index