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Table 3 Intra- versus intergroup comparison of 6 min walk test at the baseline versus at 3 months follow-up for the two groups

From: Effect of carvedilol versus nebivolol on insulin resistance among non-diabetic, non-ischemic cardiomyopathy with heart failure

  G1 G2 Intergroup
Baseline After 3 months Baseline After 3 months cP dP
A. Mean distance walked (m)
  322 ± 104 404 ± 108 326 ± 100 407 ± 104.0   
  aP < 0.001* bP < 0.001* 0.9 0.93
B. No. of patients walked < 300 m
  9 (36%) 3 (12%) 7 (38.9%) 2 (11.1%)   
Intragroup t test aP = 0.031* bP = 0.063* 0.85 0.99
  1. *P is significant
  2. aP, intragroup comparison of group 1
  3. bP, intragroup comparison of group 2
  4. cP, intragroup comparison of group 1; intergroup comparison of group 1 and group 2 at baseline
  5. dP, intergroup comparison of group 1 and group 2 after 3 months