Table 3 Comparison of analgesic effect and morphine consumption.

From: Efficacy and safety of single and double catheter intrathecal drug delivery systems in patients with refractory neck and abdominal cancer pain

Parameter

Pre-IDDS

1 day postoperative

At discharge

One-month postoperative

NRS score

 Single-catheter IDDS group (n = 24)

6.38 ± 0.495

1.167 ± 0.6886

1.43 ± 0.217

1.78 ± 0.105

 Double-catheter IDDS group (n = 24)

6.50 ± 0.933

1.185 ± 0.68

1.14 ± 0.225

0.77 ± 0.037

 t/ Z

0.580

0.342

0.335

3.734

 p

0.565

0.734

0.739

0.001

The number of BTP

 Single-catheter IDDS group (n = 24)

6 (4, 7.5)

2 (1, 3)

0 (0, 1)

2 (0, 2)

 Double-catheter IDDS group (n = 24)

7 (3, 7.5)

0 (0, 2)

0 (0, 0)

0.5 (0, 2)

 Z

0.898

5.126

1.994

2.859

 p

0.369

< 0.001

0.046

0.004

ODMED (mg)

 Single-catheter IDDS group (n = 24), mg/day

60 (60, 180)

30 (20, 90)

10 (0, 20)

20 (0, 60)

 Double-catheter IDDS group (n = 24), mg/day

60 (40, 240)

15 (10, 60)

0 (0, 0)

0 (0, 0)

 Z

0.125

2.718

4.116

3.943

 p

0.900

0.029

p < 0.001

p < 0.001

IDMED (mg)

 Single-catheter IDDS group (n = 24), mg/day

NA

0.750 (0.700, 1.670)

0.900 (0.700, 1.800)

1.850 (0.900, 3.150)

 Double-catheter IDDS group (n = 24), mg/day

NA

1.665 (0.660, 4.680)

4.665 (0.670, 7.335)

3.315 (2.0905, 7.835)

 Z

NA

1.012

1.540

2.216

 p

NA

0.311

0.147

0.033

  1. IDDS intrathecal drug delivery systems, BTP breakthrough pain, NRS numeric rating scale, ODMED oral daily morphine dose, IDMED intrathecal daily morphine dose, NA not available.