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Table 5 The mean differences of length of hospital stay, time of returning to daily activities and the cost of surgery between study groups

From: Open fenestration discectomy versus microscopic fenestration discectomy for lumbar disc herniation: a randomized controlled trial

Study variablesStudy groupNMeanSDt-testP-value
Length of hospital stay (days)Group A302.100.3014.26< 0.001*
Group B301.060.25
Time of returning to daily activity (days)Group A307.330.8414.73< 0.001*
Group B304.030.88
Cost ($)Group A301996.6639.24−85.95< 0.001*
Group B303003.3350.74