Table 2 Analysis of atypical immunoreactive trypsin (≥65 ng/ml) in newborns in a Spanish region
Variable | Total 13310 n(%)/x ± s | AIT 196 (1.5%) n(%)/x ± s | Not AIT 13114 (98.5%) n(%)/x ± s | Adj. OR | 95% CI (Adj. OR) | p-value |
|---|---|---|---|---|---|---|
Gender male | 6861(51.5) | 95(48.5) | 6766(51.6) | 0.88 | 0.66-1.17 | 0.385 |
Maternal origin: | ||||||
Spain | 9994(75.1) | 144(73.5) | 9850(75.1) | 1 | 1 | 0.219 |
Africa | 953(7.2) | 22(11.2) | 931(7.1) | 1.50 | 0.95-2.37 | |
South America | 967(7.3) | 9(4.6) | 958(7.3) | 0.63 | 0.32-1.25 | |
Rest of Europe | 1061(8.0) | 15(7.7) | 1046(8.0) | 0.88 | 0.51-1.52 | |
Asia | 335(2.5) | 6(3.1) | 329(2.5) | 1.21 | 0.52-2.82 | |
Maternal age (years): | ||||||
<20 | 358(2.7) | 8(4.1) | 350(2.7) | 1.70 | 0.83-3.49 | 0.353 |
20-40 | 12531(94.1) | 182(92.9) | 12349(94.2) | 1 | 1 | |
>40 | 421(3.2) | 6(3.1) | 415(3.2) | 1.06 | 0.46-2.40 | |
Gestational age (weeks): | ||||||
<32 | 146(1.1) | 6(3.1) | 140(1.1) | 1.45 | 0.49-4.25 | 0.137 |
32-37 | 1568(11.8) | 13(6.6) | 1555(11.9) | 0.59 | 0.33-1.05 | |
>37 | 11596(87.1) | 177(90.3) | 11419(87.1) | 1 | 1 | |
Feeding method: | ||||||
Natural | 8698(65.3) | 144(73.5) | 8554(65.2) | 1 | 1 | <0.001 |
Mixed | 1902(14.3) | 16(8.2) | 1886(14.4) | 0.53 | 0.31-0.89 | |
Formula | 2689(20.2) | 30(15.3) | 2659(20.3) | 0.72 | 0.48-1.07 | |
Special | 21(0.2) | 6(3.1) | 15(0.1) | 21.88 | 6.92-69.14 | |
Days from extraction >20 | 47(0.4) | 1(0.5) | 46(0.4) | 1.51 | 0.21-11.13 | 0.684 |
Temperature (°C) | 18.7 ± 5.6 | 18.0 ± 5.2 | 18.8 ± 5.6 | 0.98 | 0.95-1.00 | 0.064 |