Table 4.
Relationships between lowest gestational age at resuscitation and delivery room practices.
| Practices | Resuscitating from 22 to 23 weeks (n = 515) | Resuscitating from 24 to 25 weeks (n = 332) | aOR (95% CIa) | p value |
|---|---|---|---|---|
| Practices in the birthing environment (n = respondents who answered the question) | ||||
| Using heated humidified gases at resuscitation (n = 812) | 246/498 (49) | 147/314 (47) | 0.71 (0.50–1.01) | 0.06 |
| Method of transporting preterm infants from the birthing environment (n = 847) | ||||
| T-piece resuscitator | 273 (53) | 201 (61) | 1.50 (1.07–2.11) | 0.01 |
| Dedicated transport ventilator | 258 (50) | 106 (32) | 0.54 (0.39–0.77) | 0.001 |
| Methods to minimise IWL (n = 847) | ||||
| Ambient humidity | 187 (36) | 104 (31) | 0.77 (0.54–1.10) | 0.15 |
| Heated humidified gases at birth | 181 (35) | 96 (29) | 0.76 (0.53–1.09) | 0.14 |
| Bubble plastic | 56 (11) | 39 (12) | 0.91 (0.54–1.53) | 0.74 |
| Polyethylene occlusive plastic wraps | 424 (82) | 204 (61) | 0.66 (0.44–0.97) | 0.03 |
| Warm gel mattress or heated mattress | 210 (41) | 67 (20) | 0.81 (0.55–1.19) | 0.29 |
| Heating mode used during transport of infants (n = 764) | ||||
| Servo control | 202 (42) | 160 (56) | 1.60 (1.12–2.27) | 0.008 |
| Ability to change the environmental ambient temperature of the birthing place (n = 823) | 327/504 (65) | 178/319 (56) | 0.84 (0 62–1.12) | 0.25 |
| Practices at admission to the NICU | ||||
| Commencement of humidity upon admission (n = 792) | ||||
| Within 60 min | 429 (85) | 260 (90) | 1 (base) | |
| Beyond 60 min | 74 (15) | 28 (10) | 0.65 (0.14–1.14) | 0.14 |
| Level of humidity at commencement (n = 789) | ||||
| 60–70% | 81 (16) | 97 (34) | 1 (base) | |
| 71–80% | 152 (30) | 95 (33) | 0.66 (0.42–1.06) | 0.09 |
| 81–90% | 187 (37) | 70 (25) | 0.54 (0.34–0.87) | 0.01 |
| >90% | 83 (17) | 24 (8) | 0.36 (0.19–0.68) | 0.002 |
| A local small baby protocol available (n = 790) | 378/482 (78) | 212/308 (69) | 0.59 (0.40–0.89) | 0.01 |
| A local ambient humidity protocol available (n = 806) | 422/496 (85) | 201/310 (65) | 0.64 (0.42–0.98) | 0.04 |
| A local thermoregulation protocol available (n = 827) | 462/507 (91) | 285/320 (89) | 0.76 (0.44–1.32) | 0.33 |
Responses reported as column number (%), percentage rounded to the nearest whole number. Adjusted odds ratio from binary logistic regression models. Resuscitation from 22 to 23 weeks was arbitrarily used as the reference group.
aOR adjusted odds ratio, CI confidence interval, IWL insensible water losses.
aModels were adjusted for income status group and continents.