Table 4 Availability of data on CPR duration and / or starting time in at least one of the four data sources
| Starting time available | Starting time not available | Sum | |
|---|---|---|---|
| CPR duration available | 120 (73%) | 7 (4%) | 127 (77%) |
| CPR duration not available | 23 (14%) | 15 (9%) | 38 (23%) |
| Sum | 143 (87%) | 22 (13%) | 165 (100%) |