Table 4.
Correlation of sCDAI or Mayo scores computed from fewer than 7 days of data compared to one week of data collection.* (A) Correlation of the last 1–4 days using consecutive days of data. (B) Correlation using non-consecutive days of data. (C) Correlation of individual days of data.
| (A) | |||||
|---|---|---|---|---|---|
| Day 7 | Days 6–7 | Days 5–7 | Days 4–7 | ||
| CD patients | 0.91 | 0.93 | 0.96 | 0.98 | |
| Number of observations | 55 | 48 | 39 | 38 | |
| CD patients with active disease† | 0.81 | 0.87 | 0.94 | 0.95 | |
| Number of observations | 38 | 35 | 30 | 29 | |
| CD patients with 7 full days entries | 0.86 | 0.88 | 0.94 | 0.97 | |
| Number of observations | 25 | 25 | 25 | 25 | |
| UC patients | 0.81 | 0.85 | 0.91 | 0.95 | |
| Number of observations | 27 | 24 | 22 | 21 | |
| UC patients with active disease# | 0.76 | 0.86 | 0.95 | 0.98 | |
| Number of observations | 8 | 8 | 8 | 8 | |
| UC patients with 7 full days entries | 0.75 | 0.79 | 0.87 | 0.92 | |
| Number of observations | 18 | 18 | 18 | 18 | |
| (B) | |||||
|---|---|---|---|---|---|
| Days 1 & 5 |
Days 2 & 6 |
Days 2, 4, & 6 |
Days 1, 3, 5, & 7 |
||
| CD patients | 0.96 | 0.95 | 0.98 | 0.99 | |
| Number of observations | 44 | 50 | 47 | 33 | |
| CD patients with active disease† | 0.91 | 0.90 | 0.96 | 0.97 | |
| Number of observations | 32 | 37 | 34 | 24 | |
| CD patients with 7 full days entries | 0.94 | 0.87 | 0.96 | 0.98 | |
| Number of observations | 25 | 25 | 25 | 25 | |
| UC patients | 0.87 | 0.93 | 0.96 | 0.89 | |
| Number of observations | 23 | 23 | 22 | 20 | |
| UC patients with active disease# | 0.95 | 0.96 | 0.99 | 0.99 | |
| Number of observations | 7 | 7 | 7 | 6 | |
| UC patients with 7 full days entries | 0.86 | 0.94 | 0.95 | 0.90 | |
| Number of observations | 18 | 18 | 18 | 18 | |
| (C) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Day of Data | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
| CD patients | 0.80 | 0.91 | 0.92 | 0.94 | 0.95 | 0.89 | 0.91 | |
| Number of observations | 55 | 57 | 54 | 59 | 52 | 54 | 55 | |
| CD patients with active disease† | 0.60 | 0.79 | 0.81 | 0.90 | 0.91 | 0.83 | 0.81 | |
| Number of observations | 39 | 40 | 36 | 40 | 37 | 39 | 38 | |
| CD patients with 7 full days entries | 0.64 | 0.77 | 0.86 | 0.89 | 0.91 | 0.82 | 0.86 | |
| Number of observations | 25 | 25 | 25 | 25 | 25 | 25 | 25 | |
| UC patients | 0.86 | 0.83 | 0.75 | 0.86 | 0.81 | 0.86 | 0.81 | |
| Number of observations | 29 | 30 | 27 | 29 | 25 | 24 | 27 | |
| UC patients with active disease# | 0.83 | 0.90 | 0.68 | 0.83 | 0.80 | 0.75 | 0.76 | |
| Number of observations | 9 | 9 | 8 | 10 | 8 | 8 | 8 | |
| UC patients with 7 full days entries | 0.83 | 0.85 | 0.74 | 0.81 | 0.74 | 0.83 | 0.75 | |
| Number of observations | 18 | 18 | 18 | 18 | 18 | 18 | 18 | |
*
Data are reported as Spearman correlation coefficients.
†
sCDAI based on 1 week of data > 150.
#
Mayo score based on 1 week of data > 1.