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Table 4 Pain scores in first 5 post operative days

From: Decreased morbidity following long saphenous vein harvesting using a minimally invasive technique: a randomised controlled trial comparing two techniques for long saphenous vein harvest

  Group A Group B Student' s t-test
Maximum pain score (mean ± 1sd) 4.4 (2.0) 3.8 (2.1) P = 0.17
Total pain score (mean ± 1sd) 10.2 (5.5) 9.1 (5.8) P = 0.43