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Table 4 Summary of socio-economic outcomes in both groups measured at different time intervals

From: Preoperative exercise in patients undergoing total knee arthroplasty: a pilot randomized controlled trial

Measure

IG

CG

p

Ratio IG: CG

Mean / Min-Max

Mean / Min-Max

  

Preoperative pain level (NRS)

4.27 / 0–8

4.53 / 0–8

0.524

1: 1.06

Change of pain level (NRS) from baseline to preoperative assessment

1.5 / 0–8

0.38 / 0–4

0.189

4: 1

Preoperative MET

982.4 / 0–3033

438.2 / 0–4181

0.035*

1.7: 1

Postoperative medication (number of months)

1.9 / 1–3

2.4 / 1–3

0.150

0.79: 1

Pre- and rehabilitation costs per patient (CHF)

5272.8

6704.4

0.730

0.79: 1

  1. Abbreviations: IG Intervention Group, CG Control Group, NRS Numeric Rating Scale, MET Metabolic Equivalent, SD Standard deviation
  2. Values given as Mean (SD) or range = Min-Max
  3. p = Independent t-test
  4. *significant p < 0.05