Table 3 Daily platelet count (× 10³ µl⁻¹) and haematocrit (L/L = litre of cells per litres of blood) per valve prosthesis group, reported as means and standard deviation

Platelet count

Pre-op

Day 0

Day 1

Day 2

Day 3

Day 4

Day 5

Perceval

240.8 ± 65.2

162.1 ± 64.6

144.1 ± 54.1

91.9 ± 31.6

94.9 ± 39.5

97.9 ± 44.6

110.6 ± 60.5

Perimount

214.8 ± 75.4

135.1 ± 57.8

140.1 ± 56.2

121.7 ± 53.8

128.7 ± 62.3

157.2 ± 59.8

181.7 ± 78.6

HCT

Pre-op

Day 0

Day 1

Day 2

Day 3

Day 4

Day 5

Perceval

0.37 ± 0.06

No data

0.31 ± 0.04

0.30 ± 0.03

0.28 ± 0.03

0.29 ± 0.04

0.29 ± 0.03

Perimount

0.39 ± 0.05

0.32 ± 0.04

0.29 ± 0.04

0.28 ± 0.04

0.27 ± 0.03

0.28 ± 0.04

0.29 ± 0.04