|
|
 |
| |
The crossover design brings
with it problems of treatment interactions and order effects
with or without a washout period, but these can also be taken
into account statistically (Hills
and Armitage, 1979).
Figure
8.1 Senna Lactulose
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| Stool
form in relation to laxative type and opioid type
and dose - 95% confidence intervals are shown except
for weak opioid results which are based on small numbers
(lactulose/senna n = 4, codanthramer n = 3) (Sykes,
1991, with permission) |
|
Figure
8.2 Senna Lactulose
|
|---|
|
| Stool
frequency in relation to laxative type and opioid
type and dose - 95% confidence intervals are shown
except for weak opioid results which are based on
small numbers (lactulose/senna n = 4, codanthramer
n = 3) (Sykes, 1991,
with permission) |
|
|
|