Table 2.
Demographic information and outcomes of included studies.
| Number of total patient | Age | Male | Witness-ed status | Shockable rhythm | Number of patient according to SES group (Low SES VS High SES) | Outcome: bystander CPR according to SES group (Low SES VS High SES) | Outcome: survival according to SES group (Low SES VS. High SES) | Outcome: good neurological recovery according to SES group (Low SES VS High SES) | ||
| Study | Region | n | Mean ± SD or Median (IQR) | (%) | (%) | (%) | n | n | n | n |
| Clarke 2005[28] | Washington/US | 1789 | 67 ± 14 | 70 | 61 | 47 | Median household income (<58,999 VS >59,000); 849 VS 853 | 324 VS 385 | 139 VS 146 | NA |
| Sasson 2011[21] | Atlanta/US | 1108 | 61.7 | 57.9 | 44.3 | 23.2 | Median household income (<42,000 VS >42,001); 687 VS 417 | 137 VS 141 | NA | NA |
| Sasson 2012[11] | 29 sites/US | 14,225 | 61.8 ± 19 | 62.7 | 42.6 | 25.4 | Median household income (<50,000 VS >50,001); 9297 VS 4,928 | 2402 VS 1666 | NA | NA |
| Chiang 2014[26] | Taipei/Taiwan | 3573 | 73.0 ± 16.0 | 62.3 | 28.3 | NA | Average price of real property (9715–6756 USD m-2 VS 5163–396 USD m-2); 1659 VS 1914 | 241 VS 376 | 69 VS 128 | 50 VS 74 |
| Chang 2018[23] | Republic of Korea | 2020 | 7 (1–16) | 66.3 | 37.2 | 6 | Property tax per capita middle & low (30–140 USD) VS high (141–700 USD); 1,334 VS 686 | 689 VS 351 | 92 VS 44 | 55 VS 20 |
| Ahn 2011[25] | Republic of Korea | 34,227 | Elderly above 65 yr old: 50.7% | 65.4 | 40.1 | 3.3 | Level of deprivation Q3–5 (most) VS Q1–2 (least); 19,860 VS. 14,367 | 245 VS 233 | 409 VS 420 | NA |
| Moncur 2016[12] | North East England | 3179 | 59.4 | 60.1 | NA | NA | Level of deprivation Q1–3 (most) VS Q4–5 (least); 1461 VS 1718 | 240 VS 383 | NA | NA |
| Dahan 2017[13] | Paris, France | 4009 | 68 ± 17 | 69.1 | 75.7 | 42.6 | SES high VS low; 3001 VS 1008 | 239 VS 538 | NA | NA |
| Lee 2018[6] | Republic of Korea | 44,118 | 69 (56–78) | 65.6 | 44.2 | 7.7 | Level of deprivation; Q5 (most) VS. Q1 (least) 19,519 VS 24,599 | 2420 VS 5756 | 976 VS 1919 | NA |
| Lee 2016[14] | Republic of Korea | 10,694 | 69 (56–78) | 67.5 | NA | 24 | Proportion of highly educated residents Q1–2 (higher) VS Q3–4 (lower); 7799 VS 2895 | 3844 VS 1268 | 915 VS 128 | 75 VS 502 |
∗All studies included are cross-sectional observation studies.
∗We extracted data from Lee 2018 study only data of 2015 year because the data duplicated with data of Ahn 2011 and Lee 2016.
∗IQR = inter-quartile range, NA = non applicable, SD = standard deviation, SES = socioeconomic status, US = United States, USD = United States Dollar, VS = versus.