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Average cost of bypass surgery

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Reference no: EM131081352

A recent study of health service costs for coronary angioplasty versus coronary artery bypass surgery at a London hospital showed an average cost of 6,176 with a standard deviation of 329 for 231 angioplasties and an average cost of 8164 with a standard deviation of 264 for 221 bypass surgeries. Is this sufficient evidence to say that the average cost of angioplasty is less than the average cost of bypass surgery?

  • P > .10, so there is little evidence that angioplasty costs less. 
  • P is between .05 and .10, so there is some evidence that angioplasty costs less.
  • P is between .001 and .01, so this is strong evidence that angioplasty costs less.
  • P < .001, so this is very strong evidence that angioplasty costs less.
  • P is between .01 and .05, so this is moderate evidence that angioplasty costs less.

Reference no: EM131081352

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