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Table 2 Surgery-related information

From: One-staged combined hip and knee arthroplasty: retrospective comparative study at mid-term follow-up

Surgery-related information
  Group A Group B P
 Mean duration of combined surgery (min) 62 ± 14.2 66 ± 15.3 0.6
 Mean Hgb 24 hrs after surgery (g/dl) 11.1 ± 1.1 11.9 ± 1.4 0.4
 Hgb at discharge (g/dl) 10 ± 0.8 10.6 ± 1.5 0.4
 Mean Hgb loss 24 hrs after surgery (g/dl) 3.1 ± 0.9 1.8 ± 0.7 0.0002*
 Mean Hgb loss during hospitalisation (g/dl) 4.3 ± 1.4 3.1 ± 1.3 0.01*
 Length of hospital stay (days) 15.5 ± 2.6 27.6 ± 10.1 0.006*
  1. Results reported as mean value ± standard deviation
  2. Hgb haemoglobin, hrs hours, P result of Mann-Whitney U test
  3. *Statistically significant