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Table 2 Correlation of CMV shedding from one visit to the next

From: Repeated measures study of weekly and daily cytomegalovirus shedding patterns in saliva and urine of healthy cytomegalovirus-seropositive children

Shedding status by specimen:

Positive at current visit/ positive at previous visit (%)

Positive at current visit/ negative at previous visit (%)

Risk ratio

95% Confidence interval

Weekly visits

Urine

37/76 (49)

33/293 (11)

4.3

2.9-6.4

Saliva

211/235 (90)

17/149 (11)

7.9

5.0-12.3

Either specimen

218/245 (90)

18/132 (14)

6.5

4.2-10.1

Daily visits

Urine

47/91 (52)

44/354 (12)

4.2

3.0-5.9

Saliva

229/267 (86)

24/174 (14)

6.2

4.3-9.1

Either specimen

235/276 (85)

25/161 (16)

5.5

3.8-7.9