TABLE 2.
Percentiles of phagocytic indices for monocytes, by age group, obtained by the described techniquea
| Group | No. of individuals | Phagocytic index at the following percentiles:
|
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | 5 | 10 | 25 | 50 | 75 | 90 | 95 | 97 | 99 | ||
| Neonates delivered by cesarean section | 29 | 41 | 60 | 90 | 96 | 121 | 164 | 186 | 217 | 226 | 264 | 288 |
| Neonates delivered vaginally | 30 | 46 | 54 | 67 | 78 | 101 | 124 | 148 | 167 | 179 | 183 | 186 |
| Infants | 30 | 69 | 73 | 80 | 85 | 95 | 116 | 136 | 155 | 167 | 175 | 180 |
| Preschool children | 30 | 83 | 83 | 84 | 94 | 103 | 119 | 140 | 158 | 165 | 188 | 204 |
| Schoolchildren | 31 | 93 | 96 | 101 | 102 | 116 | 135 | 159 | 176 | 193 | 202 | 207 |
| Adults | 31 | 71 | 76 | 83 | 94 | 98 | 119 | 152 | 172 | 184 | 224 | 255 |
a
Phagocytosis was evaluated with fresh serum from each subject tested. The phagocytic index was calculated as the average number of attached plus ingested S. cerevisiae yeasts per phagocytosing monocyte multiplied by the percentage of these cells engaged in phagocytosis.