Table 2 Hemoglobin and mean capsular volume reference intervals (90% confidence intervals)

 Year 1

360

102.0 (100.4–103.0)

130.8 (129.7–131.9)

425

100.6 (99.5101.8)

132.7 (131.6–133.8)

  Month 1 – Month 6

62

102.0 (99.2–105.0)

130.8 (128.2–133.5)

82

100.7 (98.2–103.1)

131.2 (128.8–133.6)

  Month 7 – Month 12

298

101.0 (100.2–103.0)

130.8 (129.6–132.0)

343

100.6 (99.4–101.9)

133.1 (131.8–134.3)

 Year 2

441

104.0 (102.6–105.0)

134.3 (133.3–135.4)

503

103.0 (100.0–105.0)

132.0 (131.0–133.0)

  Month 13 – Month 18

248

103.0 (101.1–104.0)

134.4 (133–135.9)

292

102.3 (101.0–103.6)

132.0 (131.0–133.0)

  Month 19 – Month 24

193

105.0 (103.7–107.0)

134.1 (132.6–135.6)

211

105.5 (104.5–106.8)

132.5 (131.2–133.9)

 Year 3

129

105.0 (103.6–107.0)

133.5 (131.7–135.2)

154

106.1 (104.5–107.6)

132.8 (131.2–134.3)

  Month 25 – Month 30

101

105.0 (102.7–107.0)

134.5 (132.4–136.6)

113

107.3 (105.6–109.0)

132.1 (130.5–133.8)

  Month 31 – Month 36

28

108.0 (105.0–111.0)

129.3 (126.4–132.3)

41

103.4 (99.9–106.9)

134.4 (130.9–137.9)

 Year 1

356

72.2 (71.5–72.9)

85.3 (84.5–87.9)

428

69.7 (68.4–70.1)

87.0 (84.9–93.2)

  Month 1 – Month 6

60

71.2 (69.5–72.8)

89.0 (87.3–90.6)

82

70.1 (70.1–70.1)

94.7 (94.7–94.7)

  Month 7 – Month 12

296

72.0 (71.5–73)

84.2 (83.3–84.8)

346

70.0 (69.5–70.6)

84.0 (83.0–84.6)

 Year 2

435

69.0 (68.5–70.0)

84.6 (83.4–85.3)

504

67.8 (66.9–68.9)

82.4 (82.2–83.1)

  Month 13 – Month 18

246

71.0 (70.6–72.0)

84.6 (84.0–85.2)

292

67.7 (66.5–68.5)

82.5 (82.2–83.4)

  Month 19 – Month 24

189

69.0 (67.7–70.0)

84.3 (83.4–86.6)

212

67.8 (66.9–69.1)

82.4 (81.7–83.0)

 Year 3

126

72.0 (71.1–73.0)

84.1 (82.8–85.2)

154

70.9 (70.2–71.6)

83.4 (82.7–84.2)

  Month 25 – Month 30

100

71.0 (70.4–72.0)

84.7 (83.7–85.7)

112

70.7 (69.9–71.6)

83.2 (82.3–84.0)

  Month 31 – Month 36

26

75.0 (73.4–76.0)

84.2 (82.8–85.5)

42

71.4 (70.0–72.8)

84.0 (82.6–85.4)