Gender prevalence of cardiovascular diseases in the geriatric population of India: A meta-analysis using R

Table 1 The characteristics of each study

Ref.	Study period	Study design	State	Sampling method	Age group	Sample size
Joshi et al[25]	2001	Cross-sectional	Haryana	Cluster sampling	≥ 60	200
Hazarika et al[9]	2002	Cross-sectional	Assam	Simple random sampling	≥ 60	888
Lena et al[31]	2003	Cross-sectional	Karnataka		≥ 60	213
Prakash et al[2]	2003	Cross-sectional	Rajasthan		≥ 60	300
Kishore et al[29]	2004	Cross-sectional	Uttarakhand		≥ 60	285
Khanam et al[28]	2004	Cross-sectional	Bangladesh	Simple random sampling	≥ 60	452
Bhatia et al[17]	2006	Cross-sectional	Haryana	Stratified random sampling	≥ 65	361
Chandrashekhar et al[1]	2008	Cross-sectional	Karnataka	Systematic random sampling	≥ 60	370
Bharati et al[16]	2008	Cross-sectional	Tamil Nadu	Simple random sampling	≥ 60	225
Bhatt et al[18]	2008	Cross-sectional	Gujarat	Simple random sampling	≥ 60	218
Jacob et al[23]	2010	Cross-sectional	Kerala	Cluster sampling	≥ 60	403
Sharma et al[36]	2010	Cross-sectional	Himachal Pradesh	Multistage simple random sampling	≥ 60	400
Ghosh et al[20]	2011	Cross-sectional	Bihar		≥ 60	431
Kamble et al[26]	2011	Cross-sectional	Maharashtra	Systematic random sampling	≥ 60	494
Qadri et al[33]	2011	Cross-sectional	Haryana	Simple random sampling	≥ 60	660
Banjare et al[14]	2012	Cross-sectional	Odisha	PPS, Systematic sampling	≥ 60	310
Dutta et al[19]	2012	Cross-sectional	Assam	Multistage sampling	≥ 60	370
Banjare et al[13]	2012	Cross-sectional	Odisha	Multistage simple random sampling	≥ 60	310
Barman et al[3]	2013	Cross-sectional	Bihar		≥ 60	160
Shubha et al[11]	2013	Cross-sectional	Karnataka	Simple random sampling	≥ 60	180
Karanth et al[27]	2013	Cross-sectional	Karnataka		≥ 60	500
Alam et al[12]	2014	Cross-sectional	Chhattisgarh	Multistage simple random sampling	≥ 60	640
Bardhan et al[10]	2014	Cross-sectional	Uttar Pradesh	Simple random sampling	≥ 60	980
Bartwal et al[15]	2014	Cross-sectional	Uttarakhand	Systematic sampling	≥ 60	440
Gupta et al[21]	2014	Cross-sectional	Punjab		≥ 60	534
Kumar et al[30]	2014	Cross-sectional	Uttar Pradesh	Stratified random sampling	≥ 60	402
Naushad et al[8]	2014	Cross-sectional	Chhattisgarh	Multistage simple random sampling	≥ 60	640
Jain et al[24]	2014	Cross-sectional	Maharashtra	PPS	≥ 60	600
Noor et al[32]	2014	Cross-sectional	Odisha	Simple random sampling	≥ 60	224
Venkateshkrishna et al[37]	2015	Cross-sectional	Karnataka		≥ 60	1452
Sahu et al[35]	2017	Cross-sectional	Uttar Pradesh		≥ 60	231
Reddy et al[34]	2017	Cross-sectional	Telangana	Systematic random sampling	≥ 60	1265
Gupta et al[22]	2018	Cross-sectional	Haryana	Simple random sampling	≥ 60	300