Table 1 Baseline characteristics of the study population, total and surgery applied
Total sample (%) | Surgery applied (%) | |||
|---|---|---|---|---|
(n = 214,601) | (n = 159,173) | |||
Individual factor | ||||
Sex | ||||
Male | 47,456 | (22.1) | 34,904 | (21.9) |
Female | 167,145 | (77.9) | 124,269 | (78.1) |
Age Group | ||||
65–79 | 57,608 | (26.8) | 44,528 | (28.0) |
80–89 | 105,505 | (49.2) | 78,333 | (49.2) |
Over 90 | 51,488 | (24.0) | 36,312 | (22.8) |
Dementia Levela | ||||
0 | 111,414 | (51.9) | 84,424 | (53.0) |
1 | 58,400 | (27.2) | 42,187 | (26.5) |
2 | 44,787 | (20.9) | 32,562 | (20.5) |
Fructure Type | ||||
Femoral neck | 115,753 | (53.9) | 88,243 | (55.4) |
Trochanteric | 95,946 | (44.7) | 69,229 | (43.5) |
Subtrochanteric | 2900 | (1.4) | 1701 | (1.1) |
Charlson Index | ||||
0 | 94,182 | (43.9) | 68,173 | (42.8) |
1 | 67,259 | (31.3) | 51,625 | (32.4) |
≥ 2 | 53,160 | (24.8) | 39,375 | (24.7) |
Coma Levelb | ||||
Alert | 183,672 | (85.6) | 136,161 | (85.5) |
Level 1 | 29,890 | (13.9) | 22,301 | (14.0) |
Level 2 | 966 | (0.5) | 668 | (0.4) |
Level 3 | 73 | (0.03) | 43 | (0.03) |
Ambulance use | ||||
No ambulance use | 103,136 | (48.1) | 68,992 | (43.3) |
Ambulance use | 111,465 | (51.9) | 90,181 | (56.7) |
Hospital factor | ||||
City levelc | ||||
Designated city | 62,667 | (29.2) | 47,388 | (29.8) |
Population ≥ 150,000 | 70,862 | (33.0) | 54,353 | (34.2) |
Population 80,000≤, ≤150,000 | 39,173 | (18.3) | 29,661 | (18.6) |
Population ≤ 80,000 | 41,899 | (19.5) | 27,771 | (17.5) |
Hospital functiond | ||||
University & advanced hospitals | 5288 | (2.5) | 4263 | (2.7) |
Regional support hospital | 52,802 | (24.6) | 44,825 | (28.2) |
Over 200 beds hospital | 117,215 | (54.6) | 91,272 | (57.3) |
Under 200 beds hospital | 39,296 | (18.3) | 18,813 | (11.8) |
Length of stay factor | ||||
Discharge to | ||||
Home | 58,673 | (27.3) | 32,873 | (20.7) |
Recovery ward (same hosp.) | 6318 | (2.9) | 3255 | (2.04) |
Other hospital | 108,323 | (50.5) | 93,681 | (58.9) |
Long-term care facility | 38,337 | (17.9) | 27,584 | (17.3) |
Death | 2679 | (1.3) | 1605 | (1.0) |
Unknown | 264 | (0.1) | 168 | (0.1) |