Article Figures & Tables
Tables
- Table 1:
Characteristics of patients admitted to hospital with hip fracture in Manitoba and New York State, 2011–2013
Characteristic No. (%) of patients* p value Manitoba
n = 2845New York
n = 31 524Demographic Age, yr, mean ± SD 82.2 ± 10.0 81.9 ± 10.3 0.1 Female sex 2061 (72.4) 22 973 (72.9) 0.6 Prevalence of selected comorbid conditions Congestive heart failure 280 (9.8) 5696 (18.1) < 0.001 Depression 81 (2.8) 4564 (14.5) < 0.001 Uncomplicated hypertension 1564 (55.0) 17 725 (56.2) 0.2 Diabetes with complications 287 (10.1) 858 (2.7) < 0.001 Chronic obstructive pulmonary disease 303 (10.6) 7251 (23.0) < 0.001 Renal failure 102 (3.6) 4858 (15.4) < 0.001 Dementia 717 (25.2) 1103 (3.5) < 0.001 Admission source Emergency department 2309 (81.2) 28 055 (89.0) < 0.001 Other† 536 (18.8) 3469 (11.0) < 0.001 Transfer from another acute care hospital before surgery 336 (11.8) 1410 (4.5) < 0.001 Fracture type Femoral neck 1500 (52.7) 11 264 (35.7) < 0.001 Intertrochanteric 1345 (47.3) 20 260 (64.3) < 0.001 Characteristic Manitoba
n = 30New York
n = 239p value No. (%) performing hip fracture surgery 7 (23) 180 (75.3) < 0.001 Annual hip fracture volume, mean ± SD 140.0 ± 127 68.9 ± 61.9 0.2 Annual hip fracture volume, median (IQR) 107 (68–233) 52 (26–96) NA No. of beds, mean ± SD 271 ± 230* 347.0 ± 297.4† 0.4 No. (%) major teaching 2 (29)* 27 (15.9)† 0.6 Treatment/outcome Femoral neck; no. (%) of patients* p value Intertrochanteric; no. (%) of patients* p value Manitoba
n = 1500New York
n = 11 264Manitoba
n = 1345New York
n = 20 260Procedure Total hip arthroplasty 122 (8.1) 928 (8.2) 0.9 9 (0.7) 141 (0.7) 1.00 Hemiarthroplasty 895 (59.7) 6154 (54.6) < 0.001 12 (0.9) 379 (1.9) 0.01 Internal fixation 417 (27.8) 3243 (28.8) 0.4 1239 (92.1) 18 605 (91.8) 0.7 Nonoperative 66 (4.4) 939 (8.3) < 0.001 85 (6.3) 1135 (5.6) 0.3 Hospital length of stay, median (IQR) 13 (8–24) 7 (5–12) NA 13 (8–27) 7 (5–12) NA Hospital length of stay ≥ 30 d 296 (19.7) 360 (3.2) < 0.001 318 (23.6) 612 (3.0) < 0.001 Death within 7 d of admission 20 (1.3) 227 (2.0) 0.07 28 (2.1) 429 (2.1) 1.00 In-hospital death 85 (5.7) 392 (3.5) < 0.001 96 (7.1) 761 (3.8) < 0.001 Readmission within 30 d of discharge†‡ 139 (9.8) 1307 (12.0) 0.02 117 (9.4) 2273 (11.2) 0.02 Discharge to rehabilitation or long-term care†‡ 755 (53.4) 8648 (79.5) < 0.001 768 (61.5) 15 569 (79.8) < 0.001 Note: IQR = interquartile range.
↵* Except where noted otherwise.
↵† Denominator for femoral neck fractures in Manitoba consisted of all patients who survived to discharge: 1415 for all patients, 1051 for patients who did not undergo transfer and 364 for patients who underwent transfer.
↵‡ Denominator for intertrochanteric fractures in Manitoba consisted of all patients who survived to discharge: 1249 for all patients, 988 for patients who did not undergo transfer and 261 for patients who underwent transfer.
Outcome Femoral neck; point estimate (95% CI), % Intertrochanteric; point estimate (95% CI), % Manitoba New York Manitoba New York Hospital length of stay 32.7 (27.4–38.0) 9.4 (8.9–9.9) 39.3 (33.9–44.8) 9.5 (9.3–9.8) Hospital length of stay > 30 d 28.2 (23.1–34.0) 2.2 (1.8–2.7) 32.7 (26.9–39.1) 2.3 (1.9–2.7) In-hospital death 2.8 (1.3–5.8) 2.0 (1.7–2.4) 4.3 (2.2–8.2) 3.4 (3.0–3.9) Readmission within 30 d of discharge 8.2 (4.9–13.2) 9.2 (8.3–10.3) 7.7 (4.5–13.0) 9.6 (8.90–10.4) Note: CI = confidence interval.
↵* Adjusted for demographic characteristics, comorbidities (congestive heart failure, coronary artery disease, hypertension, diabetes, chronic obstructive pulmonary disease and renal failure), hospital hip fracture volume and hospital length of stay.