Table 6.

Summary of time to return to flight duty (RTFD)

Parameter	Value
Time to recommended RTFD	161.0 (120.0, 206.8)
Time to recommended RTFD without retired pilot & non-LD DQ	143.0 (116.5, 196.0)
Time to recommended RTFD without retired pilot & non-LD DQ (Isolated decompression)	130.5 (112.5, 163.0)
Time to recommended RTFD without retired pilot & non-LD DQ (Decompression with fusion)	558.0 (159.0, 925.5)
Time to recommended RTFD without retired pilot & non-LD DQ (Decompression with fusion/preservation of PSS)	195.0 (159.0, 376.5)
Time to RTFD without retired pilot & non-LD DQ	221.0 (182.0, 300.0)
Time to RTFD without retired pilot & non-LD DQ (Isolated decompression)	192.0 (165.8, 230.8)
Time to RTFD without retired pilot & non-LD DQ (Decompression with fusion)	708.0 (263.5, 1041.0)
Time to RTFD without retired pilot & non-LD DQ (Decompression with fusion/preservation of PSS)	301.0 (263.5, 504.5)

LD, lumbar diseases; DQ, disqualification; PSS, pedicle screw system. The median and inter-quartile range (IQR) present continuous variables