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Mean oro-fecal transit time (OFTT) and mean 24-h faecal wet weight, dry weight and percentage of faecal water in elderly healthy volunteers during the basal (2 wks), scFOS (4 wks) and follow-up (4 wks) periods (n = 12, mean ± SEM)
| Basal period | scFOS period | Follow-up period | |
| OFTT (h) | 37.2 ± 3.4 | 39.9 ± 3.3 | 37.8 ± 3.7 |
| Wet weight (g/d) | 155.4 ± 20.9 | 137.7 ± 17.3 | 174.8 ± 22.0 |
| Dry weight (g/d) | 32.8 ± 3.3 | 28.8 ± 2.9 | 35.2 ± 3.5 |
| Faecal water (%) | 77 ± 2 | 77 ± 1 | 76 ± 2 |
