• No results found

Power and Sample Size Calculations for Interval-Censored Survival Analysis

N/A
N/A
Protected

Academic year: 2021

Share "Power and Sample Size Calculations for Interval-Censored Survival Analysis"

Copied!
28
0
0

Loading.... (view fulltext now)

Full text

Loading

Figure

Table 1: An illustrative example of our expanded data set for two individuals whose first follow-up visits are scheduled at 3.50 and 4.00 months after study onset, assuming that the investigator specified N = 200, β = log(1.3), γ = 1, 10% dropout at 24 mon
Table 2: Power calculations for a two-group comparison with 6 visits (every 4 months) and varying β (effect size) values, γ (shape) values, and missing visit probabilites (p)
Table 3: Power calculations for a two-group comparison varying the number of visits and effect size (β) with a total sample of size N and equal group sizes
Table 4: Total sample sizes for a two-group comparison varying power, missing visit proba- proba-bility and effect size (hazard ratio) with equal group sizes

References

Related documents

The author obtained data from a national and a regional law school and followed the methodology of a typical LSAT validity study, with one important exception:

So the song text while urging the woman to raise her female organ high in pride is pragmatically informing her to rise to her roles in the circumstance, that of love and care for

The High Patent Use Dummy is a dummy that is equal to one for affiliates of parents that over the four years prior to a reform average at least as many patent applications as

Background: To study the association of ocular biometric parameters {Spherical equivalent (SE), Axial length (AL), Anterior chamber depth (ACD) and Corneal curvature (CC)}

There is a reasonable level of clinical consensus regarding the types of clients that may benefit from inpatient treatment, for example people who are socially unstable, have

• Tanda atau gejala peristiwa penyakit kritikal yang ditakrifkan di bawah Keparahan Serius yang timbul sebelum atau dalam tempoh 60 hari dari tarikh penyertaan atau tarikh mula

Traditional programs that lend themselves to sustainability innovation Contractor Safety Programs. Online Trainings Vehicle Ergonomics

(f) Subject to th e matters referred to in Conditions 3(a) to 3(e) above and to the specific exclusions contained at Condition 4 below, Sotheby’s shall exercise such reasonable