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Table 3 NPS reduction by administration route

From: Matching actual treatment with patient administration-route-preference improves analgesic response among acute low back pain patients—a randomized prospective trial

Time from administration (min)Administration routeNMeanstd deviationP95% confidence interval
LowerUpper
10PO138.081.7060.755− 1.5111.104
IM258.281.969
20PO137.381.8050.777− 1.6111.214
IM247.582.125
30PO136.622.3990.826− 1.8721.503
IM256.802.449
40PO136.312.4960.974− 1.6941.749
IM256.282.475
50PO135.622.5670.908− 1.9181.709
IM255.722.638
60PO135.312.6260.958− 2.0491.945
IM255.362.998