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. 2019 Nov 19;9:17022. doi: 10.1038/s41598-019-53540-4

Table 2.

Factors associated with the variation of the global prevalence of rheumatic heart disease.

Variables (reference) Univariable model Multivariable final model
P value Coefficient %, (95% CI) P value Adjusted coefficient (95%CI)
Year of publication 0.0071 0.0049 (0.0028; 0.0071) *
Endemic area 0.9561 0.0011 (−0.0376; 0.0398)
Gross national income per capita 0.0358 0.0103 (0.0007; 0.0199) *
GINI 0.0114 0.0032 (0.0007; 0.0056) *
HDI 0.8740 0.0093 (−0.1061; 0.1248)
%Male <0.0001 −0.0043 (−0.0063; −0.0022) ¥
Mean/Median age 0.2827 −0.0014 (−0.0041; 0.0012)
Diagnostic procedure (Auscultation > Echography) <0.0001 *
- Echography > Echography 0.0662 (0.0403; 0.0921)
- Echography > No confirmation 0.0461 (−0.0080; 0.1003)
Diagnostic criteria (WHF) <0.0001
- WHO −0.0556 (−0.0816; −0.0297) 0.0008 −0.0402 (−0.0637; −0.0167)
- Others −0.0896 (−0.1178; −0.0613)  < 0.0001 −0.0638 (−0.0899; −0.0377)
WHO regions (Africa) <0.0001
- Eastern Mediterranean −0.0601 (−0.0980; −0.0222) 0.1481 −0.0437 (−0.1030; 0.0155)
- Europe −0.0212 (−0.0810; 0.0387) 0.1539 0.0488 (−0.0183; 0.1160)
- South-East Asia −0.0732 (−0.1023; −0.0440) 0.0165 −0.0841 (−0.1529; −0.0154)
- The Americas 0.0001 (−0.0450; 0.0453) 0.0546 0.0519 (−0.0010; 0.1049)
- Western Pacific 0.0161 (−0.0140; 0.0461) 0.8557 −0.0100 (−0.1174; 0.0975)
UNSD of countries (Africa) <0.0001
- Asia −0.0553 (−0.0819; −0.0287) 0.1343 0.0437 (−0.0135; 0.1009)
- Europe −0.0108 (−0.0708; 0.0491) 0.1539 0.0488 (−0.0183; 0.1160)
- Oceania 0.0270 (−0.0028; 0.0568) 0.1643 0.0784 (−0.0321; 0.1889)
- The Americas 0.0104 (−0.0345; 0.0553) 0.0546 0.0519 (−0.0010; 0.1049)
Income (Low) 0.0028
- Lower-middle −0.0561 (−0.0913; −0.0210) 0.4675 −0.0141 (−0.0522; 0.0240)
- Upper-middle −0.0094 (−0.0492; 0.0305) 0.0150 −0.0601 (−0.1085; −0.0117)
- High 0.0020 (−0.0482; 0.0523) 0.0397 −0.0608 (−0.1188; −0.0029)
Area (Rural) 0.3730
- Urban 0.0082 (−0.0355; 0.0520)
- Both 0.0520 (−0.0165; 0.0746)
Setting (Community-based) 0.8989
- School-based −0.0068 (−0.0425; 0.0290)
- Both −0.0176 (−0.1084; 0.0732)

¥Not included in the multivariable model because of 29% of missing data.

*Successively removed from the multivariable model if p values > 0.10.

Residual heterogeneity I² = 98.4%; Amount of heterogeneity accounted for R² = 57.3%.