Table 3.

Association of demographic, clinical and laboratory parameters with serum phosphate levels in the combined dataset

Variable	Univariable analysis				Multivariable analysis
	Estimate	Std. Error	t value	P	Estimate	Std. Error	t value	P
Sex: male	− 0.028	0.03	− 0.96	0.34
Ethnicity: Asian	− 0.019	0.031	− 0.6	0.55
Ethnicity: Caucasian	− 0.029	0.04	− 0.71	0.48
log10(age (years))	0.015	0.086	0.17	0.87
Temperature (°C)	− 0.11	0.012	− 9.2	< 2 × 10−16	− 0.082	0.011	− 7.2	1.9 × 10−12
Hemoglobin (g/dL)	− 0.0098	0.0068	− 1.4	0.154
log10(White cell count (× 109/L))	− 0.016	0.078	− 0.2	0.841
log10(Platelet count (× 109/L))	0.28	0.044	6.3	5.4 × 10−10	0.15	0.043	3.4	0.00082
Corrected Calcium (mmol/L)	0.34	0.11	3	0.0032
Sodium (mmol/L)	0.026	0.0035	7.3	1.0 × 10−12	0.017	0.0035	4.9	1.4 × 10−6
Potassium (mmol/L)	0.17	0.033	5.1	4.8 × 10−7	0.12	0.031	3.85	0.000129
log10(Creatinine mmol/L)	− 0.26	0.13	− 2	0.043
Malaria: yes	− 0.004	0.04	− 0.099	0.921

Variables with a significant association (P < 0.05) in the univariable analysis entered the model selection in the multivariable analysis. Results are only shown for those variables which were significant in the final multivariable model. Std. Error standard error. n = 633