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Table 5 NPS reduction by administration route in patients that received their ARP

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)Desired and received (matched) ARPNMeanstd deviationP95% confidence interval
LowerUpper
10PO10.0000.00000.114− 0.941910.10858
IM12.4167.79296
20PO101.00001.15470.774− 1.026071.35940
IM12.83331.46680
30PO102.10001.85293.913− 1.783061.98306
IM122.00002.29624
40PO102.60002.11870.874− 2.093001.79300
IM122.75002.22077
50PO103.20002.39444.676− 2.763541.83021
IM123.66672.70801
60PO103.30002.40601.396− 3.517901.45124
IM124.33333.05505