Table 1 Perinatal factors for gout cases compared to matched population controls. Q quartile, SD standard deviation, n.s. non-significant
From: Association between perinatal factors and future risk for gout—a nested case-control study
Characteristic | Cases, n=1399 | Controls, n=5515 | p value |
|---|---|---|---|
Child sex, male, n (%) | 1104 (79%) | 4324 (78%) | -- |
Age at first identified gout diagnosis, mean (SD) | 33.3 (6.3) | -- | -- |
Age at first identified gout diagnosis, median (Q1, Q3), years | 34 (29, 38) | -- | -- |
Year of birth, median (Q1, Q3) | 1979 (1975, 1984) | 1978 (1975, 1985) | -- |
Maternal age, years, mean (SD) | 26.6 (4.9) | 26.8 (4.9) | n.s. |
Maternal stature cm, mean (SD) | 167 (6.3) | 166 (6.2) | n.s. |
Maternal BMI kg/m2, at start of pregnancy, mean (SD) | 22.9 (3.5) | 22.4 (3.3) | 0.01 |
Birth weight, grams, mean (SD) | 3472 (592) | 3538 (565) | 0.0001 |
Gestational age, days, mean (SD) | 279 (13.6) | 280 (13.1) | n.s. |
Number of older siblings, mean (SD) | 0.9 (1.0) | 0.88 (0.99) | n.s. |
Number of older siblings, median (Q1, Q3) | 1 (0, 1) | 1 (0, 1) | -- |