Page	Upper limit, seconds (1.5 x interquartile range)	Number of cases exceeding limit	N for analysis
1	236.9	1,837	17,888
2	148.8	1,736	17,522
3	116.2	1,549	17,436
4	151.8	1,405	17,320
5	127.9	1,594	16,977
6	142.4	1,660	16,633