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Table 3 Intra- and perioperative factors monitored across time

From: Implementing early mobilisation after knee or hip arthroplasty to reduce length of stay: a quality improvement study with embedded qualitative component

  Before, n = 279 After, n = 242 P-value
Operation time, min 103.0 (25.5) 104.9 (28.6) 0.42
Peripheral nerve block, n (%) 192 (68.8) 164 (67.8) 0.80
Spinal anaesthetic (+/− other), n (%) 242 (86.7) 211 (87.2) 0.88
Patient controlled anaesthesia, n (%) 240 (86.0) 181 (74.8) < 0.001
Use of tranexamic acid, n (%) 250 (89.6) 226 (93.4) 0.13
Use of indwelling catheter, n (%) 278 (99.6) 241 (99.6) 0.92
Tourniquet (knee only), n (%) 205 (95.8) 168 (97.1) 0.49
Donor blood transfusion, n (%) 6 (2.2) 13 (5.5) 0.05
Intensive care/high dependency unit admission, n (%) 16 (5.8)) 11 (4.5) 0.54
Day of surgery, n (%) 0.88
 Monday 38 (13.6) 27 (11.2)
 Tuesday 80 (28.7) 70 (28.9)
 Wednesday 52 (18.6) 52 (21.5)
 Thursday 33 (11.8) 29 (12.0)
 Friday 76 (27.2) 64 (26.4)
Morning surgeries (A.M start), n (%) 195 (70.1) 172 (71.1) 0.82