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Table 1 Baseline characteristics

From: Axillary and rectal thermometry in the newborn: do they agree?

Gestational age 29-33 wks 34-36 wks ≥ 37 wks Total
    29-41 wks
(N = 25) (N = 30) (N = 63) (N = 118)
Male gender, N (%) 12 (48.0) 19 (63.3) 29 (46.0) 60 (50.8)
Cesarean delivery, N (%) 21 (84.0) 22 (73.3) 25 (39.7) 68 (57.6)
Weight-for-date, N (%)     
Small 1 (4.0) 3 (10.0) 0 (0.0) 4 (3.4)
Large 1 (4.0) 1 (3.3) 9 (14.3) 11 (9.3)
Nursery setting, N (%)     
Normal Unit 0 (0.0) 24 (80.0) 62 (98.4) 86 (72.9)
NICU 25 (100.0) 6 (20.0) 1 (1.6) 32 (27.1)
Maternal anesthesia, N (%)     
Epidural 2 (8.0) 8 (26.7) 41 (65.1) 51 (43.2)
General 5 (20.0) 2 (6.7) 0 (0.0) 7 (5.9)
Spinal 16 (64.0) 20 (66.7) 15 (23.8) 51 (43.2)
Local/None 2 (8.0) 0 (0.0) 7 (11.1) 9 (7.6)
Placement, N (%)     
Crib 10 (40) 25 (83.3) 61 (96.8) 96 (81.4)
Radiant warmer 2 (8) 2 (6.7) 1 (1.6) 5 (4.2)
Closed isolette 13 (52) 3 (10) 1 (1.6) 17 (14.4)
Resuscitation at birth, N (%) 7 (28.0) 0 (0.0) 1 (1.6) 8 (6.8)
Age (Days), Median 11.0 1.0 1.0 1.0
IQR 6.0-18.0 1.0-1.0 1.0-1.0 1.0-2.3
Birth weight (Grams), Median 1765.0 2595.0 3305.0 2980.0
IQR 1482.0-2185.0 2263.8-2761.3 3065.0-3635.0 2321.3-3363.8
Birth length, Median 42.0 47.0 50.0 48.0
IQR 40.3-45.0 45.0-48.5 48.5-51.0 45.0-50.0
Birth head circumference, Median 30.0 33.0 35.0 33.5
IQR 27.3-32.0 32.9-34.0 34.0-35.5 32.5-35.0
Crib score, Range 0-6 0-1 0 0-6
Axillary temperature (°C), Mean ± SD 36.8 (0.3) 36.8 (0.3) 36.9 (0.4) 36.8 (0.4)
Range 36-37.4 35.9-37.4 35.8-37.8 35.8-37.8
Rectal temperature (°C), Mean ± SD 36.6 (0.4) 36.6 (0.6) 36.9 (0.5) 36.8 (0.5)
Range 35.9-37.3 34.6-37.2 35.5-37.7 34.6-37.7
  Paired t-test     
Comparison of axillary and rectal temperatures p value 0.22 0.01 0.55 0.10
Pearson Correlation     
r (p value) 0.2 (0.30) 0.4 (0.05) 0.6 (0.000) 0.5 (0.000)