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Table 1 Statistical comparisons among hatchling Eremias argus lizards incubated under hypoxic (12% O 2 ), normoxic (21% O 2 ), or hyperoxic (30% O 2 ) conditions

From: Embryonic oxygen enhances learning ability in hatchling lizards

Attribute Oxygen concentration during incubation Test statistic P-value
  Hypoxic Normoxic Hyperoxic   
(12% O2) (21% O2) (30% O2)
Initial egg mass (g) 0.466 ± 0.012 0.440 ± 0.013 0.459 ± 0.014 F2,51 = 1.093 0.343
Incubation duration (days ± SE) 35.67 ± 0.19a 35.17 ± 0.19a 34.86 ± 0.23b F2,44 = 3.896 0.028
Egg hatching success (%, n) 88.24 (15/17) 90.00 (18/20) 77.88 (14/18) χ2 = 1.292 0.524
Initial SVL (mm ± SE) 28.21 ± 0.325 27.72 ± 0.320 27.73 ± 0.605 F2,44 = 0.440 0.647
30-day SVL (mm ± SE) 33.68 ± 0.588 32.44 ± 0.758 33.25 ± 0.698 F2,31 = 0.822 0.449
Initial mass (g ± SE) 0.56 ± 0.015 0.54 ± 0.016 0.59 ± 0.014 F2,43 = 1.653 0.203
30-day mass (g ± SE) 0.93 ± 0.024 0.82 ± 0.058 0.96 ± 0.046 F2,30 = 1.483 0.243
Survival to 30 days (%, n) 66.67 (10/15) 72.22 (13/18) 78.57 (11/14) χ2 = 0.513 0.774
  1. a,bmeans with different superscripts are statistically different (Tukey's test).
  2. Statistically significant results are shown in bold.