Table 4. Episodes of gastrointestinal symptoms and daily stool frequency.
| Spitting n(%) | Posseting n(%) | Vomiting n(%) | Colics n(%) | Flatulence n(%) | Cramps n(%) | Daily stool frequency mean (SD) | ||
| 8 Weeks | PG | 216 (56.3) | 158 (41.1) | 35 (9.1) | 112 (27.7) | 230 (56.9) | 130 (32.2) | 1.66 (1.282) |
| CG | 206 (54.4) | 176 (46.4) | 39 (10.3) | 109 (26.4) | 233 (56.4) | 131 (31.7) | 1.68 (1.166) | |
| BG | 171 (67.6) | 101 (39.9) | 31 (12.3) | 61 (21.5) | 172 (60.4) | 96 (33.7) | 2.76 (1.945) | |
| 16 Weeks | PG | 195 (51.5) | 146 (38.5) | 27 (7.1) | 42 (10.9) | 131 (33.9) | 43 (11.1) | 1.28 (0.750) |
| CG | 186 (49.1) | 158 (41.7) | 27 (7.1) | 38 (9.7) | 145 (36.9) | 48 (12.2) | 1.26 (0.841) | |
| BG | 180 (65.7) | 115 (42.0) | 28 (10.2) | 20 (7.2) | 103 (36.9) | 27 (9.7) | 1.84 (1.280) | |
| 24 Weeks | PG | 181 (47.6) | 133 (35.0) | 26 (6.8) | 10 (2.6) | 90 (23.6) | 10 (2.6) | 1.44 (0.743) |
| CG | 174 (45.8) | 121 (31.8) | 29 (7.6) | 10 (2.6) | 81 (21.0) | 14 (3.6) | 1.41 (0.706) | |
| BG | 169 (62.1) | 100 (36.8) | 31 (11.4) | 13 (4.7) | 67 (24.4) | 11 (4.0) | 1.52 (0.911) | |
| 52 Weeks | PG | 33 (9.6) | 18 (5.2) | 12 (3.5) | 1 (0.3) | 51 (14.2) | 1 (0.3) | 1.73 (0.779) |
| CG | 30 (8.4) | 23 (6.4) | 11 (3.1) | 2 (0.5) | 38 (10.2) | 4 (1.1) | 1.69 (0.748) | |
| BG | 45 (17.4) | 22 (8.5) | 12 (4.6) | 1 (0.4) | 21 (7.9) | 3 (1.1) | 1.75 (0.869) |
P>0.05 for all comparisons between PG and CG, resulting from repeated measures linear and logistic regression, using center as a random effect.
PG = prebiotics group; CG = control group; BG = breastfeeding group.