Table 3. The number of cases and percentage of new onset and remission of SBS symptoms during the two-year follow-up (N = 1325).
| Onset | Remission | |||||
| Symptoms | Na | Nb | % | Nc | Nd | % |
| Any skin symptoms | 75 | 1273 | 5.9 | 48 | 127 | 37.8 |
| Any mucosal symptoms | 267 | 1042 | 25.6 | 156 | 550 | 28.4 |
| Any general symptoms | 350 | 1077 | 32.5 | 126 | 598 | 21.1 |
| Symptoms improved if away from school | 230 | 1111 | 20.7 | 125 | 444 | 28.2 |
| Any skin school related symptoms | 35 | 1315 | 2.66 | 10 | 45 | 22.22 |
| Any mucosal school related symptoms | 136 | 1233 | 11.03 | 69 | 251 | 27.49 |
| Any general school related symptoms | 180 | 1233 | 14.60 | 63 | 301 | 20.93 |
a
Number of new onset cases for the particular type of symptoms.
b
Number of persons who did not report the particular type of symptoms at baseline or at follow-up.
c
Number of remission cases for the particular type of symptoms.
d
Number of persons who had the particular type of symptoms at both times.