| Methods |
SB
P |
| Participants |
N 471
(non‐blacks)
Hyp
Age 66 |
| Interventions |
SR 40
DUR: 105 |
| Outcomes |
SBP
DBP |
| Notes |
2001 + 2001b
included 681 (LS: 340; US: 341)
Attended last visit: LS 310; US: 314
IT: No |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Random sequence generation (selection bias) |
Unclear risk |
Insufficient information |
| Allocation concealment (selection bias) |
Unclear risk |
Insufficient information |
| Blinding (performance bias and detection bias)
All outcomes |
High risk |
Open study |
| Incomplete outcome data (attrition bias)
All outcomes |
Low risk |
Lost to follow up 57/681. Group association unclear |
| Selective reporting (reporting bias) |
Low risk |
No distinct selective outcome reporting |
| Blinding of participants and personnel (performance bias)
All outcomes |
High risk |
Open study: Performance bias due to knowledge of the allocated interventions by participants and personnel during the study. |
| Blinding of outcome assessment (detection bias)
All outcomes |
Low risk |
Outcome detection blinded |
