Biostatistics

Epidemiology and biostatistics, public health research. GLM, logistic regression, survival analysis, clinical trials.
B
Multiple t-tests vs ANOVA with Dunnett's post-hoc test
Replies
2
Views
1,153
rogojel
D
Retrospective chart review subject selection: case vs. control
Replies
0
Views
482
dr_pritish
M
RCT: estimation of total sample size knowing only the percentage of occurrence
Replies
0
Views
472
MDaniele
V
Triangulating multiple data sources of prescription information
Replies
0
Views
480
vpmwar
J
Comparing the effectiveness of an intervention in two groups?
Replies
1
Views
455
hlsmith
S
Looking for a test to find if there is a relationship between 2 groups
Replies
2
Views
484
spulak
V
Block design anova
Replies
2
Views
845
ondansetron
R
Using logistic regression to compute age-adjusted rates
Replies
4
Views
1,064
Raok
J
Interpreting significance based on confidence interval
Replies
3
Views
835
julian_DE
Q
Repeated measures with varying count between group
Replies
5
Views
993
katxt
P
Switch of distribution during observation period (Scratch Assay)
Replies
0
Views
589
Peters
J
Modeling and predicting pathology from multivariate clinical data
Replies
2
Views
570
hlsmith
B
what statistical test to choose (large smple size)
Replies
2
Views
686
rogojel
T
Chi square p value <0.01 but graph pad prompts not valid
Replies
1
Views
496
Dason
drtoddchang
  • Poll
Similarity instead of differences in means b/w 2 groups
Replies
4
Views
1,383
ondansetron
R
Is Chi-square appropriate for a single measurement variable with repeated measures?
Replies
2
Views
695
RustyEcologist
N
One way ANOVA vs Kruskal Wallis
Replies
1
Views
949
Karabiner
S
Can I calculate the % of people positive for an outcome from an odds ratio?
Replies
8
Views
813
SSSA
R
Cox Regression with missing values
Replies
5
Views
1,154
Rowena
T
Best scenario: unpaired or paired situation?
Replies
0
Views
734
tleal
Z
Freidman test with missing values?
Replies
0
Views
438
zhu
J
Propensity Score Matching
Replies
1
Views
826
hlsmith
J
Poisson Standard Deviation
Replies
6
Views
1,430
toks
W
Normal Approximation, Fisher's Exact Test, Relative Risk or Odds Ratio?
Replies
7
Views
1,370
toks
M
Help with correct statistical analysis?
Replies
5
Views
1,200
toks
C
Statistical significance
Replies
8
Views
1,115
toks
N
Critiquing a Network Meta-analysis: Interpreting inconsistency
Replies
3
Views
658
toks
I
STATA Logistic Regression Intepretation
Replies
0
Views
590
I_AM_KB
W
Sphericity with unequal sample sizes
Replies
0
Views
580
Wouterka
S
Need Appropriate Test for comparing a series of measurements from one bone to another
Replies
2
Views
846
GretaGarbo
O
Online Biostatistics Course/Master's Degree
Replies
1
Views
1,016
GretaGarbo
D
Patient-year Incidence rates comparisons and p value
Replies
0
Views
771
didye
L
Help with comparing disease death rates over time
Replies
0
Views
1,849
LAM_13
M
Software for NHANES Analysis
Replies
0
Views
823
mam326
C
Multi-level Meta-regression using random effect for treatment? [R pkg metafor]
Replies
0
Views
670
chelbylu
A
Help choosing right statistics
Replies
2
Views
936
hlsmith
B
sample size calculation for chi square test with more than 2 groups
Replies
4
Views
1,937
Bassam
R
test for cumulative analysis of outcomes over time in meta-analysis
Replies
3
Views
1,812
hlsmith
C
Simple question re retrospective study types
Replies
2
Views
2,141
ConnemaraPony
P
Non Inferiority with a Historical Control
Replies
1
Views
1,406
hlsmith
C
Should I perform a PCA on my datas?
Replies
0
Views
1,264
Clarissa
N
covariate for only clinical group
Replies
3
Views
1,842
hlsmith
J
Absolute values or Log-transformed data
Replies
3
Views
1,488
hlsmith
Q
Mixed Model Analysis SPSS
Replies
0
Views
1,349
quix09
J
Is Cochran's Q the right test for repeated measures with binary outcomes?
Replies
0
Views
1,187
Jennifer Kosty
F
Different proportions in different conditions?
Replies
3
Views
2,481
rogojel
A
Contingency tables with proportions only
Replies
8
Views
2,670
hlsmith
M
Chi-square goodness of fit test
Replies
1
Views
1,396
rogojel
H
Association/ correlation binary and continuous data non-normal distribution
Replies
5
Views
1,537
Hannah212
O
Antibiogram
Replies
1
Views
1,450
hlsmith
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