@JohnLauner @Faizan73Ismail @bmj_latest I'll give you the equivalent figures for ABPM if you like. Pre-treatment ABPM: 164 mmHg Treated 24hr ABPM: 163 mmHg Q: Is the treatment working? A: 1 in 5 chance (18%) of getting this result if TRUE BP is 156 mmHg
@ChasPerrott @RichardLehman1 @sfinnikin @hmkyale Does a 95% confidence interval help illustrate the variability? Click link for the source of variability estimates https://t.co/fGSLV3Tns0 https://t.co/rFYEgbG53V
RT @TomPMarshall: @DrSimonHodes @Azeem_Majeed @pash22 @TheBHF ABPM does not eliminate within-individual variation. It merely reduces it.…
RT @TomPMarshall: @DrSimonHodes @Azeem_Majeed @pash22 @TheBHF ABPM does not eliminate within-individual variation. It merely reduces it.…
@DrSimonHodes @Azeem_Majeed @pash22 @TheBHF ABPM does not eliminate within-individual variation. It merely reduces it. We found CVi Office BP: 8.6% ABPM: 5.5% There are few estimates of within-individual variation of ABPM. https://t.co/i721t25kWj
@drgandalf52 This is probably unanswerable. If you know how much BP varies within individuals from day to day (coefficient of variation 8.6%). https://t.co/oasov6DShq
Nous voilà bien. https://t.co/7eVrCpBWyX
@gregjirving @pash22 @imransajid @KCFITUK @DrAoifeMolloy @CatherineThomp8 @janewilcock @drtimwilson @susan_bewley @dr_benoy_n_shah @invadingpirate & we still routinely measure BP in young adults. It is entirely predictable: a small percentage will be
@thebyrdlab I don't follow "conditionally triggered measurement" or "premised on the high BP" They're independent random samples from an underlying population with a mean of 125 Office measurements stdev = 10 ABPM stdev = 6.9 Home BPM stdev = 5.3 https
RT @TomPMarshall: @DrDavidWarriner Ambulatory & home BP also vary. Repeat the assessment a few weeks later & you get a different result. C…
@DrDavidWarriner Ambulatory & home BP also vary. Repeat the assessment a few weeks later & you get a different result. CVi for SBP Clinic: 8.6% ABPM: 5.5% HBPM: 4.2% ie: SBP (ABPM) 130 has (95%CI: 116-144) DBP similar HBPM & ABPM diminish bu
@thebyrdlab @ABayerTom NICE recommended since 2011. Only for BP between 140/90 and 160/100 ABPM also has sampling error (CV 5.5%) https://t.co/oasov6DShq
@thebyrdlab 2) Changing BP drugs because of measured BP is rolling a dice. Even a mean of 24 home self-measurements has a coefficient of variation of 4.2% i.e. 140 mmHg has a 95% CI: 128-152. Suggestion? ignore measured BP, assess compliance & advers
@BrianSecemskyMD What is within-person variability of 24hr ABPM? We found the coefficient of variation was 5.5%. Similar to the mean of measures at 2 to 3 clinic visits. There is not a technological solution to variation. It does not go away. https://t