Table 2.

50th and 90th centile times in each event of testing retreatment cases for drug resistance by reference laboratory coverage

Events	Central			Regional			p-value*
	No. of records	Time (days)		No. of records	Time (days)
		50th	90th		50th	90th
Case registered at hospital to specimen collected at hospital	75	5	52	167	4	46	0.77
Specimen collected at hospital to specimen processed at laboratory	53	6	13	192	3	6	<0.05
Specimen processed at laboratory to DST results recorded at laboratory	51	75	111	199	0	2	<0.05
DST results recorded at laboratory to DST report received at hospital	5	88	283	53	1	7	<0.05

^*Calculated using the Wilcoxon rank-sum test