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Table 2 Descriptive statistics of the sample population in index year and in following follow-up years

From: Opioid use disorder in Germany: healthcare costs of patients in opioid maintenance treatment

Study yearIndex Year
N (%)
Follow-up 1
N (%)
Follow-up 2
N (%)
Follow-up 3
N (%)
Follow-up 4
N (%)
Patient years in Follow-up period
N9558418047937273165
OMT with bupren-orphine (%)350 (36.6)302 (35.9)296 (36.8)267 (33.6)250 (34.4)1115 (35.2)
OMT with levo-methadone269 (28.2)266 (31.6)271 (33.7)280 (35.3)256 (35.2)1073 (33.9)
OMT with methadone336 (35.1)273 (32.4)237 (29.4)246 (31.0)221 (30.4)977 (30.8)