TABLE 2.
Effect size and test of heterogeneity for the case fatality rate (CFR) by region, population median age (median value), and tests per thousand population (median value)
| Statistics | Region | Test for Subgroup differences | Overall | |||||
|---|---|---|---|---|---|---|---|---|
| Africa | Asia | Europe | North America | Oceania | South America | |||
| Effect Size (95% CI) |
7.11 (6.38, 7.91) |
2.49 (2.08, 2.94) |
2.82 (1.98, 3.81) |
3.40 (2.81, 4.04) |
0.20 (0.02, 0.51) |
2.89 (2.03, 3.89) |
254.44 (P‐value = .00) |
2.67 (2.25, 3.13) |
| I 2 statistic | ‐ | 99.66% | 99.98% | 99.84% | 32.87% | 99.69% | 99.95% | |
| Cochran's Q statistics | ‐ | ‐ | ‐ | ‐ | ‐ | ‐ | 315 324.53 | |
| n (sample = 158) | 1 | 69 | 60 | 15 | 4 | 9 | 158 | |
| Total tests per thousand population | ||||||||
| Less than or equal to 111.16 tests | Greater than 111.16 tests | Overall | ||||||
| Effect size (95% CI) | 3.15 (2.57, 3.79) | 2.16 (1.57, 2.83) |
5.14 (P value = .02) |
2.68 (2.25, 3.14) | ||||
| I 2 statistic | 99.90% | 99.97% | 99.95% | |||||
| Cochran's Q statistics | ‐ | ‐ | 315 324.53 | |||||
| n (sample = 157) | 87 | 70 | 157 | |||||
| Population Median Age Category | ||||||||
| Less than or equal to 38.7 years | Greater than 38.7 years | Overall | ||||||
| Effect size (95% CI) | 2.27 (1.85, 2.74) | 3.13 (2.44, 3.91) |
4.30 (P value = .04) |
2.67 (2.25, 3.13) | ||||
| I 2 statistic | 99.80% | 99.97% | 99.95% | |||||
| Cochran's Q statistics | ‐ | ‐ | 315 324.53 | |||||
| n (sample = 158) | 82 | 76 | 158 | |||||