Table 4

Morphine equivalent daily dose by time in subjects with continuous exposure without cancer diagnosis

Years

Number of subjects

Mean ± SD

Median

Min

Max

P25

P75

P95


Half year

442

62.53 ± 69.88

45.04

7.5

802.13

30.54

67.5

142.5


> 6 months to 1 year

305

62.11 ± 65.73

45

7.5

486.86

30

64.29

170


> 1 to 1.5 years

173

66.37 ± 64.39

46.61

7.5

480

30

73.5

197.14


> 1.5 to 2 years

107

64.6 ± 62.1

45.8

7.5

342.86

30

64.29

184.85


> 2 to 2.5 years

67

71.96 ± 70.86

50.63

8.33

360

30

82.12

183.33


> 2.5 to 3 years

29

88.2 ± 91.12

60

8.33

420

39.99

95.45

330


> 3 to 3. 5 years

19

91.05 ± 115.16

53.09

8.33

480

30

90.91

480


> 3. 5 to 4 years

14

68.13 ± 53.39

52.5

15

187.5

24.64

107.76

187.5


> 4 to 4.5 years

12

90.38 ± 79.83

52.5

15

244.55

30

169

244.55


> 4.5 to 5 years

9

80.99 ± 61.23

60

22.5

183

45

95.98

183


> 5 to 5.5 years

6

111.56 ± 72.04

117.18

22.5

187.5

45

180

187.5


> 5.5 to 6 years

6

122.59 ± 89.37

120.27

22.5

240

45

187.5

240


> 6 to 6.5 years

5

122.88 ± 105.75

75

22.5

255

45

216.92

255


> 6.5 to 7 years

5

133.5 ± 132.31

60

22.5

330

45

210

330


> 7 to 7.5 years

2

123.41 ± 110.89

123.41

45

201.82

45

201.82

201.82


> 7.5 to 8 years

2

127.5 ± 116.67

127.5

45

210

45

210

210


> 8 years

1

45 ± .

45

45

45

45

45

45


SD, standard deviation; P25, 25th percentile; P75; 75th percentile; P95; 95th percentile

Cepeda et al. BMC Palliative Care 2010 9:14   doi:10.1186/1472-684X-9-14

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