Table 2

Mean Operative Time, Blood Loss, and Length of Hospital Stay (n = 100)

Mean (Range)
Operative time, all patients, min130 (45-100)
Operative time, single level patients, min (48% at L4/L5 level)95.3 ± 28.3
Estimated blood loss, all patients, ml282 ± 301
Estimated blood loss, single level patients, ml (48% at L4/L5 level)145.7 ± 153.2
Hospital stay, all patients, days2.86 ± 0.8