Table 4. Pooled estimates and heterogeneity statistics for meta-analyses of blood pressure measures, overall and excluding results from Baekken, 2009 and Schillaci, 2013.
| Including all studies | Excluding Baekken, 2009 | Excluding Schillaci, 2013 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Outcome | Pooled association (95% CI) | I2 | Heterogeneity χ2 p-value | Pooled association (95% CI) | I2 | Heterogeneity χ2 p-value | Pooled association (95% CI) | I2 | Heterogeneity χ2 p-value |
| Clinic SBP, mm Hg | -3.54 (-12.29, 5.20) | 94% | <0.001 | 0.85 (-1.48, 3.17) | 0% | 0.944 | -5.79 (-18.91, 7.34) | 94% | <0.001 |
| Clinic DBP, mm Hg | -3.76 (-14.18, 6.66) | 98% | <0.001 | 1.09 (-0.57, 2.75) | 0% | 0.967 | -6.23 (-20.15, 7.68) | 97% | <0.001 |
| 24-hour SBP, mm Hg | -1.17 (-5.38, 3.03) | 81% | <0.001 | -0.10 (-4.80, 4.59) | 82% | 0.001 | -3.08 (-6.36, 0.203) | 52% | 0.101 |
| 24-hour DBP, mm Hg | 0.49 (-3.81, 4.78) | 80% | <0.001 | 2.38 (0.01, 4.74) | 58% | 0.067 | 0.49 (-5.61, 6.59) | 93% | <0.001 |
| Daytime SBP, mm Hg | -0.74 (-3.44, 1.97) | 67% | 0.009 | 0.45 (-1.24, 2.14) | 12% | 0.339 | -1.64 (-4.20, 0.91) | 53% | 0.072 |
| Daytime DBP, mm Hg | -0.71 (-3.70, 2.27) | 85% | <0.001 | 0.88 (-0.26, 2.03) | 0% | 0.640 | -0.70 (-4.51, 3.11) | 88% | <0.001 |
| Nighttime SBP, mm Hg | 3.15 (-0.33, 6.63) | 81% | <0.001 | 3.80 (0.00, 7.61) | 83% | <0.001 | 3.01 (-1.35, 7.36) | 85% | <0.001 |
| Nighttime DBP, mm Hg | 0.35 (-2.37, 3.07) | 78% | <0.001 | 1.47 (-0.11, 3.05) | 24% | 0.262 | -0.02 (-3.35, 3.30) | 80% | 0.001 |
| Nocturnal SBP decline, % | -3.16 (-5.20, -1.13) | 71% | 0.015 | -2.61 (-4.99, -0.24) | 68% | 0.044 | -3.95 (-5.35, -2.56) | 17% | 0.301 |
| Nocturnal DBP decline, % | -2.92 (-4.19, -1.64) | 12% | 0.331 | -3.58 (-5.04, -2.13) | 0% | 0.642 | -3.07 (-5.15, -1.00) | 41% | 0.183 |
| Non-dipping SBP pattern, OR | 2.72 (1.92, 3.85) | 9% | 0.183 | 2.59 (1.63, 4.12) | 26% | 0.253 | 2.93 (1.79, 4.79) | 24% | 0.268 |
DBP = Diastolic blood pressure; OR = Odds ratio; SBP = Systolic blood pressure.