Calcium × oxalate | Calcium excretion (mmol/24 h) | Phosphate excretion (mmol/24 h) | Oxalate excretion (μmol/24 h) | |
---|---|---|---|---|
Samples were coded “dark” and “light” according to whether they were collected November to April or May to October, respectively. | ||||
Mean results are given with 95% confidence intervals. | ||||
p Values refer to the effect of the time of year in a two way ANOVA (results classified by “patient number” and by “time of year”). | ||||
Dark period | 2372 (2270 to 2477) | 6.37 (6.18 to 6.56) | 32.5 (31.7 to 33.1) | 372 (363 to 382) |
Light period | 2493 (2388 to 2602) | 6.72 (6.52 to 6.91) | 33.3 (32.6 to 34.0) | 371 (361 to 381) |
p Values | p = 0.02 | p <0.0001 | p = 0.01 | Not significant |