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. 2007 Jan 24;2007(1):CD001890. doi: 10.1002/14651858.CD001890.pub3

Comparison 1. Oral or dialysis bicarbonate vs placebo, control or usual dialysis bicarbonate.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Treatment‐related outcomes: Bicarbonate 3   Mean Difference (IV, Random, 95% CI) Subtotals only
1.1 Venous bicarbonate 3 106 Mean Difference (IV, Random, 95% CI) 4.63 [1.06, 8.20]
2 Treatment‐related outcpmes: Sodium 1   Mean Difference (IV, Random, 95% CI) Totals not selected
2.1 Sodium 1   Mean Difference (IV, Random, 95% CI) 0.0 [0.0, 0.0]
3 Treatment‐related outcomes: Blood pressure 1   Mean Difference (IV, Random, 95% CI) Totals not selected
3.1 Systolic blood pressure mm Hg 1   Mean Difference (IV, Random, 95% CI) 0.0 [0.0, 0.0]
3.2 Diastolic blood pressure mm Hg 1   Mean Difference (IV, Random, 95% CI) 0.0 [0.0, 0.0]
4 Treatment‐related outcomes: Kt/V 2   Mean Difference (IV, Random, 95% CI) Subtotals only
4.1 Kt/V 2 85 Mean Difference (IV, Random, 95% CI) ‐0.07 [‐0.20, 0.07]
5 Nutritional outcomes 2   Mean Difference (IV, Random, 95% CI) Subtotals only
5.1 Subjective global assessment (SGA) at 12 months 1 53 Mean Difference (IV, Random, 95% CI) 0.61 [0.07, 1.15]
5.2 Normalized protein nitrogen appearance (NPNA) at 12 months 1 53 Mean Difference (IV, Random, 95% CI) 0.21 [0.07, 0.35]
5.3 Protein catabolic rate (PCR) 1 32 Mean Difference (IV, Random, 95% CI) 0.08 [‐0.08, 0.24]
5.4 Albumin 2 85 Mean Difference (IV, Random, 95% CI) 2.23 [‐2.71, 7.17]
5.5 Oedema 1 53 Mean Difference (IV, Random, 95% CI) ‐0.29 [‐0.75, 0.17]
5.6 Fat‐free oedema‐free body mass 1 53 Mean Difference (IV, Random, 95% CI) 2.80 [‐0.82, 6.42]
5.7 Lean body mass 1 53 Mean Difference (IV, Random, 95% CI) 0.70 [‐4.20, 5.60]
6 Bone metabolism outcomes: Phosphorus, osteocalcin and calcium 2   Mean Difference (IV, Random, 95% CI) Subtotals only
6.1 Phosphorus 1 21 Mean Difference (IV, Random, 95% CI) ‐0.90 [‐2.22, 0.42]
6.2 Pre‐dialysis calcium (mg/dL) 2 53 Mean Difference (IV, Random, 95% CI) ‐0.18 [‐0.55, 0.19]
6.3 Osteocalcin (ng/mL) 2 23 Mean Difference (IV, Random, 95% CI) ‐25.0 [‐76.93, 26.93]
7 Bone metabolism outcomes: PTH 2   Mean Difference (IV, Random, 95% CI) Subtotals only
7.1 PTH (1‐84 pg/mL) 2 53 Mean Difference (IV, Random, 95% CI) ‐74.99 [‐207.55, 57.57]
7.2 PTH (53‐84 pg/mL) 1 21 Mean Difference (IV, Random, 95% CI) ‐38.0 [‐250.90, 174.90]
7.3 PTH (44‐68 pg/mL) 1 21 Mean Difference (IV, Random, 95% CI) ‐1872.00 [‐5486.99, 1742.99]
8 Bone metabolism outcomes: Volume, surfaces, number and formation 1   Mean Difference (IV, Random, 95% CI) Totals not selected
8.1 Bone volume (%) 1   Mean Difference (IV, Random, 95% CI) 0.0 [0.0, 0.0]
8.2 Osteoid volume (%) 1   Mean Difference (IV, Random, 95% CI) 0.0 [0.0, 0.0]
8.3 Osteoid surfaces (%) 1   Mean Difference (IV, Random, 95% CI) 0.0 [0.0, 0.0]
8.4 Osteoblast surfaces (%) 1   Mean Difference (IV, Random, 95% CI) 0.0 [0.0, 0.0]
8.5 Osteoclast surfaces (%) 1   Mean Difference (IV, Random, 95% CI) 0.0 [0.0, 0.0]
8.6 Osetoclasts/sq mm 1   Mean Difference (IV, Random, 95% CI) 0.0 [0.0, 0.0]
8.7 Bone formation rate (cubic um/sq um/d) 1   Mean Difference (IV, Random, 95% CI) 0.0 [0.0, 0.0]
8.8 Osteoid thickness (um) 1   Mean Difference (IV, Random, 95% CI) 0.0 [0.0, 0.0]
9 Clinical outcomes: All‐cause mortality, hosptalisation 1   Risk Ratio (M‐H, Random, 95% CI) Totals not selected
9.1 Hospitalisation 1   Risk Ratio (M‐H, Random, 95% CI) 0.0 [0.0, 0.0]
9.2 All‐cause mortality 1   Risk Ratio (M‐H, Random, 95% CI) 0.0 [0.0, 0.0]
10 Clinical outcomes: Hospital admissions/patient, length of hospital stay 1   Mean Difference (IV, Random, 95% CI) Totals not selected
10.1 Hospital admissions/patient 1   Mean Difference (IV, Random, 95% CI) 0.0 [0.0, 0.0]
10.2 Average length of hospital stay 1   Mean Difference (IV, Random, 95% CI) 0.0 [0.0, 0.0]