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

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

Time from administration (min)	Desired and received (matched) ARP	N	Mean	std deviation	P	95% confidence interval
Time from administration (min)	Desired and received (matched) ARP	N	Mean	std deviation	P	Lower	Upper
10	PO	10	.0000	.00000	.114	− 0.94191	0.10858
10	IM	12	.4167	.79296	.114	− 0.94191	0.10858
20	PO	10	1.0000	1.15470	.774	− 1.02607	1.35940
20	IM	12	.8333	1.46680	.774	− 1.02607	1.35940
30	PO	10	2.1000	1.85293	.913	− 1.78306	1.98306
30	IM	12	2.0000	2.29624	.913	− 1.78306	1.98306
40	PO	10	2.6000	2.11870	.874	− 2.09300	1.79300
40	IM	12	2.7500	2.22077	.874	− 2.09300	1.79300
50	PO	10	3.2000	2.39444	.676	− 2.76354	1.83021
50	IM	12	3.6667	2.70801	.676	− 2.76354	1.83021
60	PO	10	3.3000	2.40601	.396	− 3.51790	1.45124
60	IM	12	4.3333	3.05505	.396	− 3.51790	1.45124

ISSN: 1749-799X