Table 4.

Differences of least squares means, sodium/creatinine.

Tube	Estimate	Standard Error	Difference from Control	Standard Error	DF	t Value	p > |t|
Sodium
A1	139.53	0.3494	−0.1247	0.2449	28	−0.51	0.6147
B1	139.55	0.3895	−0.1024	0.3169	28	−0.32	0.7490
C1	139.45	0.4510	−0.2059	0.3092	28	−0.67	0.5110
D1	139.51	0.3631	−0.1395	0.2762	28	−0.51	0.6175
Control	139.65	0.4461	- - - -	- - -	- - -	- - -	- - -
Creatinine
A1	0.8133	0.02864	0.003280	0.01204	28	0.27	0.7873
B1	0.7897	0.03451	−0.02039	0.01623	28	−1.26	0.2194
C1	0.7828	0.03180	−0.02774	0.01507	28	−1.84	0.0763
D1	0.7988	0.02915	−0.01127	0.01476	28	−0.76	0.4514
Control	0.8100	0.02755	- - - -	- - -	- - -	- - -	- - -