Table 3.

Study length of time and total daily costs (US$) for control and intervention groups

	Control Group			Intervention Group
	N=51			N=51
Study period	6 m (i)	6 m (f)	Final	6 m (i)	6 m (f)	Final
Length of time (mean [SD], days)	180.2[41.8]	190.5[6.4]	370.7[41.3]	196.8[29.3]	190.2[56.4]	387.0[39.8]a
Appointments
Total cost (US$) /day	8.65	6.49	7.53	8.01	6.12	7.08
Individual mean [SD] (US$)	0.17[0.08]	0.13[0.09]	0.15[0.07]	0.16[0.09]	0.12[0.08]	0.14[0.07]
Laboratory tests
Total cost (US$) /day	38.07	25.35	31.48	33.33	22.96	28.24
Individual mean [SD] (US$)	0.75[0.74]	0.50[0.46]	0.62[0.43]	0.65[0.61]	0.45[0.43]	0.55[0.44]
Procedures
Total cost (US$) /day	3.75	4.81	4.29	20.28	2.11	11.36
Individual mean [SD] (US$)	0.07[0.22]	0.09[0.21]	0.08[0.17]	0.40[1.11]	0.04[0.09]	0.22[0.57]
Hospitalization
Total cost (US$) /day	2.62	2.53	2.57	2.30	1.17	1.74
Individual mean [SD] (US$)	0.05[0.30]	0.05[0.18]	0.05[0.17]	0.05[0.13]	0.02[0.10]	0.03[0.09]
Pharmacist
Total cost (US$) /day	0.0	0.0	0.0	2.20	1.39	1.80
Individual mean [SD] (US$)	NA	NA	NA	0.05[0.02]	0.03[0.02]	0.04[0.02]
Total
Final cost/day (US$)	53.09	39.18	45.88	66.13	33.74	50.23
Individual mean [SD] (US$)	1.04[0.99]	0.77[0.70]	0.90[0.60]	1.30[1.33]	0.66[0.55]	1.00[0.81]
Total excluding procedures
Final cost/day (US$)	49.34	34.36	41.58	45.84	31.63	38.87
Individual mean [SD] (US$)	0.97[0.94]	0.67[0.63]	0.82[0.56]	0.90[0.71]	0.62[0.05]	0.77[0.53]

Note: ^a ANOVA results for repeated measures with a transformation by positions (P=0.057).

Abbreviations: 6m (i), initial 6 months; 6m (f), final 6 months; SD, Standard deviation.

Obs. The cost is the sum of the daily costs for all patients.