TABLE 1.
Comparison of Demographic, Admission, and Discharge Data Between 3 Groups
| Variable | LD Period: Group “LD”(N = 1622) | Immediate Previous Period: Group “Pre-LD”(N = 2744) | Corresponding Period In 2019: Group “Corres-LD”(N = 2700) | P Value: Group “LD” vs. “Pre-LD” (Reference Group = “LD”) | P Value: Group “LD” vs. “corres-LD” (Reference Group = “LD”) |
|---|---|---|---|---|---|
| Gestational age, weeks | |||||
| Median (1st, 3rd quartile) | 37.0 (34.0, 38.0) | 37.0 (35.0, 38.0) | 37.0 (34.0, 38.0) | 0.1 | 0.022 |
| Mean (SD) | 35.77 (3.2) | 35.90 (3.1) | 35.92 (3.1) | ||
| Gestation categories* | 0.2 | 0.049 | |||
| Extremely preterm (<28 weeks) | 44 (2.7) | 68 (2.5) | 65 (2.4) | ||
| Very preterm (28–<32 weeks) | 125 (7.7) | 220 (8.0) | 230 (8.5) | ||
| Moderate to late preterm (32–<37 weeks) | 574 (35.4) | 880 (32.1) | 844 (31.3) | ||
| Term (37–41 weeks) | 877 (54.1) | 1572 (57.3) | 1554 (57.6) | ||
| Post-term (>41 weeks) | 2 (0.1) | 4 (0.1) | 7 (0.3) | ||
| Birth weight, grams, median (1st, 3rd quartile) | 2480.0 (1896.75, 2874.25) | 2470.0 (1915.0, 2862.0) | 2480.0 (1900.0, 2890.0) | 0.9 | 0.9 |
| Birth weight categories* | |||||
| <1000 g | 59 (3.6) | 129 (4.7) | 123 (4.6) | 0.3 | 0.5 |
| 1000–1499 g | 154 (9.5) | 236 (8.6) | 277 (10.3) | ||
| 1500–2499 g | 599 (36.9) | 1051 (38.3) | 979 (36.3) | ||
| 2500–4200 g | 809 (49.9) | 1324 (48.3) | 1318 (48.8) | ||
| >4200 g | 1 (0.1) | 4 (0.1) | 3 (0.1) | ||
| Sex* | |||||
| Male | 883 (54.4) | 1418 (54.0) | 1426 (52.8) | 0.9 | 0.5 |
| Female | 737 (45.4) | 1259 (45.9) | 1268 (47.0) | ||
| Ambiguous | 2 (0.1) | 4 (0.1) | 6 (0.2) | ||
| Appropriateness for gestational age* | |||||
| AGA | 999 (64.5) | 1713 (63.3) | 1670 (61.9) | 0.3 | 0.2 |
| SGA | 513 (33.1) | 944 (34.9) | 971 (36.0) | ||
| LGA | 37 (2.4) | 50 (1.8) | 57 (2.1) | ||
| Apgar score at 5 min | |||||
| Median (1st, 3rd quartile) | 7 (5, 8) | 7 (6, 8) | 7 (6, 8) | <0.001 | <0.001 |
| Mean (SD) | 7.42 (1.6) | 7.29 (1.6) | 7.23 (1.5) | ||
| Admitted in NICU* | 177 (10.9) | 184 (6.7) | 213 (7.9) | <0.001 [OR, 0.59 (95% CI: 0.47–0.73,)] | 0.001 [OR, 0.70 (95% CI: 0.57–0.86)] |
| Admitted in HDU* | 297 (18.3) | 313 (11.4) | 265 (9.8) | <0.001 [OR, 0.57 (95% CI: 0.48–0.68)] | <0.001 [OR, 0.49 (95% CI: 0.41–0.58)] |
| Age transferred to NICU, d, median (1st, 3rd quartile) | 2 (1, 3) | 3 (2, 5) | 3 (2, 5) | <0.001 | <0.001 |
| Age transferred to HDU, d, median (1st, 3rd quartile) | 7 (4, 13) | 8 (5, 14) | 10 (5, 17) | 0.003 | <0.001 |
| Duration of hospital stay among <32 weeks gestation, d, median (1st, 3rd quartile) | 20 (4, 39) | 10 (2, 30) | 12 (3, 29) | 0.001 | 0.005 |
| Final outcome | N = 1622 | N = 2744 | N = 2694 | ||
| Discharged home | 1553 (95.7) | 2583 (94.1) | 2541 (94.3) | 0.028 | 0.13 |
| Died | 67 (4.1) | 145 (5.3) | 142 (5.3) | ||
| LAMA or DOR | 1 (0.1) | 2 (0.1) | 4 (0.1) | ||
| Transferred elsewhere | 1 (0.1) | 14 (0.5) | 7 (0.3) | ||
*
Figures in brackets are percentages of the total subjects in the respective period.
AGA indicates appropriate for gestational age; DOR, discharged on request; LAMA, left against medical advice; LGA, large for gestational age; OR, odds ratio; SGA, small for gestational age.