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Table 1 Data regarding the demographic characteristics of the patients and the operation

From: The effect of ‘Out of hours surgery Service’ in Israel on hip fracture fixation outcomes: a retrospective analysis

Characteristic TOTAL Pre-OHSS Post-OHSS P value
Age
  < 70 170 (21%) 71 (21%) 99 (22%) 0.771
 70–79 195 (25%) 80 (24%) 115 (25%)
 80–89 325 (41%) 136 (41%) 189 (41%)
 90+ 102 (13%) 48 (14%) 54 (12%)
Gender
 Female 564 (71%) 238 (71%) 326 (71%) 0.937
 Male 228 (29%) 97 (29%) 131 (29%)
Medications
 0 169 (21%) 86 (26%) 83 (18%) <0.0001
 1 73 (9%) 46 (14%) 27 (6%)
 2 98 (12%) 42 (13%) 56 (12%)
 3 452 (57%) 161 (48%) 291 (64%)
Illnesses
 0 115 (15%) 54 (16%) 61 (13%) 0.019
 1 137 (17%) 66 (20%) 71 (16%)
 2 162 (20%) 77 (23%) 85 (19%)
 3+ 378 (48%) 138 (41%) 240 (53%)
ASAa
 1 56 (7%) 24 (7%) 32 (7%) <0.0001
 2 244 (31%) 135 (40%) 109 (24%)
 3 385 (49%) 141 (42%) 244 (53%)
 4 107 (14%) 35 (10%) 72 (16%)
LOS Beforeb
  < 24 h 306 (39%) 112 (33%) 194 (42%) <0.0001
 24–48 h 242 (31%) 68 (20%) 174 (38%)
 48+ hours 244 (31%) 155 (46%) 89 (19%)
Total durationc
  < 51 min 475 (60%) 172 (51%) 303 (66%) <0.0001
 51–90 min 262 (33%) 128 (38%) 134 (29%)
 90+ min 45 (6%) 27 (27%) 18 (4%)
Durationd
  < 51 min 475 (60%) 172 (51%) 303 (66%) <0.0001
 51–90 min 262 (33%) 128 (38%) 134 (29%)
 90+ min 45 (6%) 27 (8%) 18 (4%)
LOS Aftere
  ≤ 7 days 654 (83%) 255 (76%) 399 (87%) <0.0001
 8–9 days 52 (7%) 29 (9%) 23 (5%)
 10+ days 86 (11%) 51 (15%) 35 (8%)
  1. a ASA American Society of Anesthesiologists
  2. b LOS Before length of stay before the operation
  3. c Total duration total duration from admission to the operating room to end of surgery
  4. d Duration duration of the actual operation
  5. e LOS After, Length of stay after the operation