Skip to main content
. 2019 Apr 1;197:262–270. doi: 10.1016/j.drugalcdep.2019.01.019

Table 4.

Quantity of methadone prescribed at baseline and latest CHI-identified quantity in the year prior to death (latest prescriptions: N denotes the number analysed).

Age-group at death
(age-group’s
% frequency within each
sub-group of deaths) 		Sub-grouping of all deaths
 Total of
3262 deaths
1939
Non-DRDs 		546 Methadone-specific DRDs 320
Heroin-specific DRDs 		309
Methadone +
heroin DRDs
< 35 years 261 (13.5%) 123 (22.5%) 107 (33.4%) 96 (31.1%) 620 (19.0%)
Quantity of
methadone prescribed:
Mean (sd);
25th, median, 75th percentile		 Baseline quantity:
994 (972);
280, 700, 1400		 Baseline quantity:
1232 (1189);
350, 950, 1820		 Baseline quantity:
874 (842);
240, 700,1161		 Baseline quantity:
1203 (964);
420, 980, 1743		 Baseline quantity:
1033 (969);
300, 735, 1400
Latest in year prior to death, N = 228:
1071 (1045);
355, 811, 1400		 Latest in year prior to death, N = 108:
1121 (971);
412, 790, 1680		 Latest in year prior to death, N = 64:
675 (684);
145, 420, 990		 Latest in year prior to death, N = 82:
1078 (957);
275, 760, 1680		 Latest in year prior to death, N = 507:
1009 (1019);
300, 770, 1400



35-44 years 717 (37.0%) 236 (43.2%) 155 (48.4%) 135 (43.7%) 1318 (40.4%)
Quantity of
methadone prescribed:
Mean (sd);
25th, median, 75th percentile		 Baseline quantity:
1216 (1133);
360, 980, 1680		 Baseline quantity:
1686 (1596);
480,1260, 2240		 Baseline quantity:
934 (866);
260, 665, 1400		 Baseline quantity:
1358 (1137);
420, 980, 2160		 Baseline quantity:
1271 (1212);
360, 980, 1890
Latest in year prior to death, N = 614:
959 (894);
280, 708, 1330		 Latest in year prior to death, N = 219:
1508 (1467);
490,1260, 1960		 Latest in year prior to death, N = 85:
585 (824);
112, 280, 770		 Latest in year prior to death, N = 119:
1011 (905);
270, 770, 1400		 Latest in year prior to death, N = 1094:
1039 (1057);
280, 770, 1400



45+ years 961 (49.6%) 187 (34.2%) 58 (18.1%) 78 (25.2%) 1324 (40.7%)
Quantity of
methadone prescribed:
Mean (sd);
25th, median, 75th percentile		 Baseline quantity:
1128 (1147);
245, 735, 1680		 Baseline quantity:
1700 (1569);
595,1400, 2240		 Baseline quantity:
958 (999);
280, 630, 1400		 Baseline quantity:
1147 (1027);
490, 840, 1680		 Baseline quantity:
1208 (1215);
280, 840, 1810
Latest in year prior to death, N = 782:
889 (942);
210, 560, 1260		 Latest in year prior to death, N = 171:
1280 (1340);
500, 930, 1785		 Latest in year prior to death, N = 27:
530 (536);
120, 330, 780		 Latest in year prior to death, N = 66:
1154 (871);
420, 980, 1690		 Latest in year prior to death, N = 1075:
964 (1012);
264, 644, 1400



Totals 1939 546 320 309 3262
All-ages quantity of
methadone prescribed:
Mean (sd);
25th, median, 75th percentile		 Baseline quantity:
1142 (1121);
280, 840, 1680		 Baseline quantity:
1588 (1514);
450,1260, 2205		 Baseline quantity:
919 (882);
263, 669, 1380		 Baseline quantity:
1256 (1059);
420, 975, 1820		 Baseline quantity:
1200 (1177);
308, 840, 1680
Latest in year prior to death, N = 1624:
937 (941);
280, 660, 1330		 Latest in year prior to death, N = 498:
1346 (1336);
490, 980, 1820		 Latest in year prior to death, N = 176:
610 (735);
120, 330, 870		 Latest in year prior to death, N = 267:
1067 (912);
299, 840, 1624		 Latest in year prior to death, N = 2676:
1004(1023);
280, 700, 1400

Boldface: for major headings and totals.