Table 3

Proportion of shifts with and without REPOS measurements and OR when compared with baseline

Time period	Cumulative shifts with REPOS	Cumulative shifts without REPOS	OR (95% CI) when compared with baseline	P value
1	13	80	–	–
2	14	243	0.36 (0.15 to 0.86)	0.012*
3	28	419	0.41 (0.19 to 0.90)	0.017*
4	36	547	0.41 (0.20 to 0.87)	0.015*
5	44	651	0.41 (0.21 to 0.88)	0.016*
6	67	814	0.51 (0.26 to 1.04)	0.044*
7	78	984	0.49 (0.25 to 1.00)	0.041*
8	81	1056	0.47 (0.24 to 0.97)	0.024*
9	83	1087	0.47 (0.24 to 0.96)	0.024*
10	86	1199	0.44 (0.23 to 0.90)	0.019*
11	90	1340	0.41 (0.21 to 0.84)	0.009**
12	93	1433	0.40 (0.21 to 0.81)	0.007**
13	94	1471	0.39 (0.20 to 0.80)	0.007**
14	94	1479	0.39 (0.21 to 0.80)	0.007**
15	95	1516	0.39 (0.20 to 0.78)	0.006**
16	96	1569	0.38 (0.20 to 0.76)	0.006**