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Table 1 Descriptive statistics of continuous variables

From: The association between the day of the week of milestones in the care pathway of patients with hip fracture and 30-day mortality: findings from a prospective national registry – The National Hip Fracture Database of England and Wales

Variable Sex   N Mean (SD) [25th, 50th, 75th]
Time to surgery (hours) Male Alive @ 30 days 58,203 35.1 (36.9) [18.6, 24.3, 41.3]
Length of stay (days) 58,203 24.0 (23.5) [10.1, 16.7, 29.8]
Age at event (years) 58,203 81.0 (8.6) [76.0, 82.0, 87.0]
AMTS pre-op 48,750 7.5 (3.4) [6.0, 9.0, 10.0]
Time to surgery (hours) Dead @ 30 days 6608 37.4 (37.4) [18.9, 25.8, 43.1]
Length of stay (days) 6608 12.2 (8.0) [5.8, 10.8, 17.4]
Age at event (years) 6608 85.1 (7.6) [81.0, 86.0, 90.0]
AMTS pre-op 5380 5.7 (3.9) [1.0, 7.0, 10.0]
Time to surgery (hours) Female Alive @ 30 days 165,927 32.0 (31.6) [18.0, 23.5, 37.5]
Length of stay (days) 165,927 21.9 (116.0) [9.6, 15.0, 26.0]
Age at event (years) 165,927 83.0 (8.3) [78.0, 84.0, 89.0]
AMTS pre-op 139,644 7.0 (3.6) [5.0, 9.0, 10.0]
Time to surgery (hours) Dead @ 30 days 10,708 34.9 (32.6) [18.6, 25.0, 41.9]
Length of stay (days) 10,708 11.9 (8.4) [5.1, 10.2, 17.6]
Age at event (years) 10,708 87.1 (7.5) [83.0, 88.0, 92.0]
AMTS pre-op 8675 5.2 (3.9) [1.0, 6.0, 9.0]
Time to surgery (hours) All Alive @ 30 days 224,130 32.8 (33.1) [18.2, 23.8, 38.7]
Length of stay (days) 224,130 22.5 (100.5) [9.8, 15.3, 27.0]
Age at event (years) 224,130 82.5 (8.4) [77.0, 84.0, 89.0]
AMTS pre-op 188,394 7.2 (3.6) [5.0, 9.0, 10.0]
Time to surgery (hours) Dead @ 30 days 17,316 35.9 (34.5) [18.7, 25.2, 42.4]
Length of stay (days) 17,316 12.0 (8.3) [5.3, 10.4, 17.5]
Age at event (years) 17,316 86.3 (7.6) [82.0, 87.0, 92.0]
AMTS pre-op 14,055 5.4 (3.9) [1.0, 6.0, 9.0]
  1. AMTS Abbreviated Mental Test Score