Table 2. Age, RTW, BMI, and time to narcotic independence.

Outcome data	N	Minimum	Maximum	Mean	Std. deviation
Age, years	55	18	71	41.76	12.53
RTW, weeks	42 of 46 pts returned to pre-injury work status, 9 pts unemployed	7	168	23.83	26.01
BMI	55	21.6	44.6	29.11	4.75
Narcotic independence, days	53 out of 55 pts narcotics independent	7	42	9.64	7.29

RTW, return to work; BMI, body mass index; Std., standard.