Table 1.
Total numbers of samples with numbers of significant growth for 5741 healthy pregnant women, matched by parity and trimester of pregnancy
| Patients for whom complete data were available | Total | Trimester 1 | Trimester 2 | Trimester 3 | ||||
|---|---|---|---|---|---|---|---|---|
| n = 5741 | n = 5741 | n = 227 | n = 1889 | n = 3625 | ||||
| nr. Cases | % growth | nr. Cases | % growth | nr. Cases | % growth | nr. Cases | % growth | |
| Gestation | ||||||||
| Nullipara (percentage significant growth) | 7 | 0% | 1 | 0% | 1 | 0% | 5 | 0% |
| Primipara (percentage significant growth) | 1367 | 3.9% | 65 | 4.6% | 538 | 3.9% | 784 | 3.7% |
| Multipara (percentage significant growth) | 2493 | 3.0% | 99 | 4.0% | 832 | 3.5% | 1562 | 2.7% |
| Grand multipara (percentage significant growth) | 1874 | 2.4% | 62 | 0% | 518 | 2.9% | 1294 | 2.3% |
| Age distribution (years [IQR]) | 25 (20–30) | 24 (20–30) | 24 (19–30) | 26 (21–30) | ||||
| Dipstick results | ||||||||
| Nitrite* (n [%]) | 68 (1.2%) | 7 (3.1%) | 29 (1.5%) | 32 (0.9%) | ||||
| Leukocytes* (n [%]) | 1055 (18.4%) | 44 (19.4%) | 318 (16.8%) | 717 (19.1%) | ||||
| Dipslide results** | ||||||||
| < 104 CFU/ml | 2865 (49.9%) | 125 (55.1%) | 905 (47.9%) | 1835 (50.6%) | ||||
| ≥ 104 CFU/ml | 643 (11.2%) | 18 (7.9%) | 184 (9.7%) | 441 (12.1%) | ||||
| Clinically significant growth | 173 (3.4%) | 7 (3.1%) | 65 (3.4%) | 101 (2.8%) | ||||
| Asymptomatic bacteriuria | 97 (1.7%) | 4 (1.8%) | 37 (2.0%) | 56 (1.5%) | ||||
Significant growth is defined as growth of Enterobacterales in counts of ≥ 104 CFU/ml. Parity was defined as follows: nullipara = never give birth, primipara = given birth once, multipara = parity ≥ 2, grand multipara = parity ≥ 5 [18]
Data differ slightly from those in Fig. 2 where data are presented for all samples
Clinically significant growth is defined as growth with an Enterobacterales species in counts of ≥ 104 CFU/ml
Asymptomatic bacteriuria is defined as clinically significant growth with counts of ≥ 105 CFU/ml