Table 2

Surgery-related data in the two populations

All patients (n=122)Apnea (n=12)No apnea (n=110)P value
Time from symptom onset to admission, d6.12±4.96 (5.00, 3.00–7.00)6.80±5.12 (6.00, 3.25–8.50)6.05±4.97 (4.50, 3.00–7.00)0.65
Time from admission to surgery, d1.31±1.10 (1.00, 1.00–2.00)1.00±0.67 (1.00, 1.00–1.00)1.34±1.13 (1.00, 1.00–2.00)0.35
Surgical duration, min48.20±13.99 (46.50, 40.00–55.00)46.58±9.48 (45.50, 40.75–50.00)48.38±14.43 (47.50, 40.00–55.00)0.67
Videolaparoscopy, n (%)91 (74.59)8 (66.67)83 (75.45)0.47
Fentanyl use, n (%)69 (56.56)7 (58.33)62 (56.36)0.89
Intraoperative fentanyl dosage, μg/kg1.32±1.44 (1.50, 0.00–2.00)1.17±1.32 (1.00, 0.00–1.62)1.34±1.45 (1.50, 0.00–2.00)0.69
ICU postoperative LOS, h20.52±14.36 (18.00, 16.00–20.00)24.09±10.26 (20.00, 17.00–29.50)20.92±14.77 (18.00, 15.25–20.00)0.41
Post-ICU ward LOS, h62.29±39.19 (48.00, 48.00–72.00)57.00±36.14 (48.00, 48.00–48.00)62.77±39.61 (48.00, 48.00–72.00)0.69
  • Data are presented as mean±SD (median, IQR).

  • P values apply to the apnea vs no apnea comparison (likelihood ratio test).

  • d, day; h, hour; ICU, intensive care unit; IQR, interquartile range; LOS, length of stay; SD, standard deviation.