Re: [NMusers] Baseline as a covariate

2010-08-24 Thread phil . lowe
eller" Novartis Pharma AG, WSJ-027.6.25, CH-4056 Basel, Switzerland Phone: +41 61 324 4676; Mobile: +41 79 349 7806; phil.l...@novartis.com "Peter Bonate" Sent by: owner-nmus...@globomaxnm.com 11/08/2010 17:50 To "'nmusers@globomaxnm.com'" cc Subject [NMuser

RE: [NMusers] Baseline as a covariate

2010-08-11 Thread mats karlsson
PM To: 'nmusers@globomaxnm.com' Subject: [NMusers] Baseline as a covariate I'd like to get the group's opinion on something. I have a pharmacodynamic model and the baseline was shown to be a covariate on one of the model parameters. I was hoping to get general thoughts on the

RE: [NMusers] Baseline as a covariate

2010-08-11 Thread Samtani, Mahesh [PRDUS]
ilto:owner-nmus...@globomaxnm.com] On Behalf Of Ken Kowalski Sent: Wednesday, August 11, 2010 12:12 PM To: 'Peter Bonate'; nmusers@globomaxnm.com Subject: RE: [NMusers] Baseline as a covariate Hi Pete, In this setting I generally try to first model the baseline response and perhaps purs

Re: [NMusers] Baseline as a covariate

2010-08-11 Thread Leonid Gibiansky
Hi Peter, I assume from the question that the baseline is the baseline of your modeled PD measure, not of some other value (like the baseline weight), and that you model the actual PD measure, not change from the baseline. Then - it would be more logical to use the model-predicted baseline; -

RE: [NMusers] Baseline as a covariate

2010-08-11 Thread Ken Kowalski
ugust 11, 2010 11:22 AM To: 'nmusers@globomaxnm.com' Subject: [NMusers] Baseline as a covariate I'd like to get the group's opinion on something. I have a pharmacodynamic model and the baseline was shown to be a covariate on one of the model parameters. I was hoping to get

[NMusers] Baseline as a covariate

2010-08-11 Thread Peter Bonate
I'd like to get the group's opinion on something. I have a pharmacodynamic model and the baseline was shown to be a covariate on one of the model parameters. I was hoping to get general thoughts on the use of the baseline as a covariate. Is there a preference for using the observed baseline v