Group 1: Ventilator | Ventilator without Surfactant (N = 19) | Ventilator with Surfactant (N = 10) | Independent t-test | |||
Mean | SD | Mean | SD | T | P-value | |
Cortisol level (mg/dl) | 34.80 | 11.03 | 41.32 | 4.66 | 1.776 | 0.087 |
Group 2: CPAP | CPAP without surfactant (N = 30) | CPAP with surfactant (N = 3) | Independent t-test | |||
Mean | SD | Mean | SD | T | P-value | |
Cortisol level (mg/dl) | 28.33 | 6.27 | 32.30 | 5.92 | -1.842 | 0.045 |