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Table 7 Statistical comparison of defecation and laxative administration frequencies, and the quotient in group B

From: Effect of waxy barley, Kirarimochi, consumption on bowel movements of late-stage elderly residents at Roken nursing home

  Perioda October November December January February March
n 14 14 14 14 14 13b
Defecation frequency/period Mean 20.5 ± 7.3 19.9 ± 9.2 19.1 ± 9.9 21.2 ± 10.0 18.4 ± 8.3 19.5 ± 6.4
p value (two-sided)c   0.521 0.381 0.650 0.292 0.515
Days with defecation/period Mean 14.8 ± 2.9 14. 1 ± 5.0 13.4 ± 5.2 14.7 ± 4.5 13.3 ± 5.2 14.5 ± 3.8
p value (two-sided) c   0.568 0.172 0.921 0.163 0.428
Days with laxative administration/period Mean 2. 2 ± 1.5 2.6 ± 2.4 2.2 ± 1.3 2.1 ± 1.8 2.3 ± 1.5 2.6 ± 2.3
p value (two-sided)c   0.615 1.000 0.873 0.850 0.457
Days with defecation/days with laxative administration n d 12 10 12 11 10 9
Mean 7.6 ± 5.4 5.6 ± 5.4 6.4 ± 5.2 8. 0 ± 6.7 5.2 ± 2.9 4.0 ± 2.1
p value (two-sided)e   0.407 0.585 0.858 0.226 0.107
  1. aPeriod; see Table 1
  2. bOne subject left the home in March
  3. cCompared to that in October by the paired t test (two-sided)
  4. dExcluded subjects with no laxative administration
  5. eCompared to that in October by the indenpendent t test (two-sided)