Table 3 Number of days at risk and number of falls for each subject by period

No of falls					No of days
Running in period	Pacemaker turned off*	Pacemaker turned on‡	Total	Off–on	Pacemaker turned off*	Pacemaker turned on†
0	0	0	0	0	182	196
0	0	0	0	0	81	377
0	0	0	0	0	189	175
0	0	0	0	0	182	189
0	0	0	0	0	182	186
0	0	0	0	0	203	196
0	0	0	0	0	182	210
0	0	1	1	−1	182	185
0	0	1	1	−1	186	196
0	1	0	1	1	189	189
0	0	2	2	−2	144	230
0	1	1	2	0	182	186
0	2	0	2	2	188	169
0	1	1	2	0	190	168
0	0	2	2	−2	170	183
0	1	2	3	−1	203	182
0	2	1	3	1	182	185
0	2	3	5	−1	174	189
2	3	1	6	2	182	190
2	1	4	7	−3	182	182
3	9	3	15	6	200	199
2	6	10	18	−4	168	193
3	5	14	22	−9	161	176
2	24	7	33	17	182	167
2	43	34	79	9	168	182
Means:
0.64	4.04	3.48	8.16	0.56‡	177.4	195.2

*Off, ODO mode.
†On, DDDR mode.
‡Relative risk of falling with pacemaker turned on compared with off: 0.82 (95% CI 0.62 to 1.10).