TABLE 2.
Randomized comparisons of sodium phosphate (NaP) versus polyethylene glycol (PEG) bowel preparations for colonoscopy
| Reference | n | Preparation | Efficacy | Tolerability and acceptability |
|---|---|---|---|---|
| Vanner et al (14) | 102 | NaP
PEG |
NaP > PEG | NaP > PEG |
| Kolts et al (15) | 72 | NaP
PEG |
NaP > PEG | NaP = PEG |
| Marshall et al (16) | 143 | NaP
PEG |
NaP = PEG | NaP = PEG |
| Cohen et al (17) | 422 | NaP
PEG |
NaP > PEG | NaP > PEG |
| Golub et al (18) | 230 | NaP
PEG |
NaP = PEG | NaP > PEG |
| Henderson et al (19) | 242 | NaP
PEG |
NaP = PEG | NaP > PEG |
| Thomson et al (20) | 116 | NaP
PEG |
NaP = PEG | NaP = PEG |
| Clarkston et al (21) | 98 | NaP
PEG |
NaP = PEG | NaP = PEG |
| Frommer (22) | 486 | NaP
PEG |
NaP > PEG | NaP ≥ PEG |
| Lee et al (23) | 209 | NaP
PEG |
NaP = PEG | NaP = PEG |
| Arezzo (24) | 300 | NaP
PEG |
NaP > PEG | NaP > PEG |
| Kastenberg et al (25) | 845 | NaP tablets
PEG |
NaP tablets = PEG | NaP tablets > PEG |
| Law et al (26) | 299 | NaP
PEG |
NaP > PEG | NaP > PEG |
| Seinela et al (27) | 72 | NaP
PEG |
NaP = PEG | NaP = PEG |
| Hwang et al (28) | 80 | NaP
PEG |
NaP = PEG | NaP = PEG |
| Ell et al (29) | 126 | NaP
PEG |
PEG > NaP | PEG ≥ NaP |
| Hookey et al (30)* | 171 | NaP + bisacodyl
PEG |
PEG > NaP + bisacodyl | NaP + bisacodyl > PEG |
| Young et al (31) | 323 | NaP
PEG + bisacodyl |
NaP > PEG + bisacodyl | NaP > PEG + bisacodyl |
| Afridi et al (50) | 147 | NaP + bisacodyl
PEG |
NaP + bisacodyl = PEG | NaP + bisacodyl > PEG |
*Low dose (1×45 mL) of NaP