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2rA
Prasad
RNA
DNA
(
(
Well-nourished
Medline
(Online Journals)
http://www.nebi.nlm.nih.gov/pubmed
Medline
http://www.igm.nlm.nih.gov
Pubmed
http://www.medmatrix.org/info/medintable.asp
Internet Greatful Med
http://www.emedicin.com
Othersources
http://www.medmatrix.org/reg/login.asp
Emedicin
http://www.shef.ac.uk./uni/acaddemic/R-Z/scharr/ir/netting.htm
Medical Matrix http://www.mwsearch.com
Schart (Netting the evidence) http://www.nthames-health.tpmed.ac.uk/connect/journals.htm Medical World Search http://www.nebi.nlm.nih.gov/pubmed Journallisting http://www.pslgroup.com/dg/medjournals.htm
http://www.guidlines.gov Clinical Practice Guidelines http://www.cma.ca/cpgs
AA
VARIABLES
(INDEPENDENT)
(DEPENDENT)
(CONFOUNDING OR INTERVENING)
(BACKGROUND)
(NOMINAL)
(ORDINAL)
(INTERVAL)
(RATIO)
;
(Observational Study)
(Descriptive)
(Case Report)
(Cross- Sectional)
(Ecological Studies)
(Analytical study)
(Retrospective)
(Prospective)
o (Cohort)
o (Historical cohort)
(Experimental Study) (Lab Trials)
(Clinical Trials)
(Field Trials)
(Community Trials)
(Correlational)
Case
Effect
(RETROSPECTIVE)
(Prospective study)
(Historical-cohort)
(Case-control study)
(Experimental Study)
(Randomized Controlled Trials)
(Blind Techniques)
(Singal blind Trial)
(Double-blind Trial)
(Crossover Trial)
(Matched Controls)
(Background variables)
(Sequential Trials)
Face to Face
check list
(Census)
(Sampling)
(Probability sampling)Simple Random Sampling (SRS)
Stratified sampling
Cluster sampling)
(Systematic sampling)
(Multistage sampling
(Non probability sampling) (Convenence sampling)
(Quota sampling
(N)(Pk)(nk)
Nk= Pk n
(K)
K
KK
K
20500
10000K
2
22
d
SZn
n
S(Standard Deviation)
S
S
d
d
Z
Z
Z
Z
625
)20()96.1(.2
22
2
22
d
SZn
2
2 )1(
d
PPZn
n
Z
P
PP(n)
d
B
682)03.0(
)80.0(20.0)96.1(2
2
n
1067)03.0(
)50.0(50.0)96.1(2
2
n
SPSS
(GANTT)
(GANTT)
CVA
WHO
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