Table 1. Global core interrupted time-series analysis for originator and generic molecules using pricing data from 1999 to 2014 with 2004 as the interruption in the series (P < 0,05).
INN | Trade names (Originator in bold) | Trend | (P value) | Change in level | (P value) | Change in slope | (P value) | Constant | (P value) | Int 1 | % Change in level 2004 |
---|---|---|---|---|---|---|---|---|---|---|---|
Salbutamol 2mg/5mls Syr | 1, Ventolin | 0,018 | (0,000) | -0,065 | (0,000) | -0,014 | (0,000) | 0,19 | (0,000) | 0,28 | -23,47 |
(53)* | 51, Asthavent | -0,001 | 0,677 | -0,004 | 0,358 | 0,005 | 0,002 | 0,08 | (0,000) | 0,08 | -4,64 |
52, Venteze | 0,007 | (0,000) | -0,031 | (0,000) | -0,004 | 0,005 | 0,07 | (0,000) | 0,11 | -28,97 | |
Glibenclamide 5mg tab | 2, Daonil | 0,228 | (0,000) | -0,771 | 0,001 | -0,047 | 0,382 | 2,45 | (0,000) | 3,59 | -21,51 |
54, Glycomin | 0,116 | 0,011 | -0,764 | (0,000) | -0,171 | 0,001 | 0,86 | (0,000) | 1,44 | -53,24 | |
55, Bio-Glibenclamide | -0,001 | 0,939 | -0,192 | 0,001 | 0,007 | 0,557 | 0,33 | (0,000) | 0,32 | -59,26 | |
56, Sandoz-Glibenclamide | 0,150 | (0,000) | -1,436 | (0,000) | -0,141 | (0,000) | 0,82 | (0,000) | 1,57 | -91,52 | |
Atenolol 50mg caps | 3, Tenormin | 0,427 | (0,000) | -1,242 | (0,000) | -0,209 | 0,007 | 2,56 | (0,000) | 4,70 | -26,45 |
57, Hexa Bloka | 0,053 | (0,000) | -0,910 | (0,000) | -0,025 | 0,01 | 1,07 | (0,000) | 1,34 | -68,01 | |
58, Sandoz-Atenolol | 0,013 | 0,442 | -0,849 | (0,000) | 0,008 | 0,644 | 1,14 | (0,000) | 1,20 | -70,75 | |
59, Ten Bloka_2 | 0,042 | 0,005 | -0,681 | (0,000) | 0,001 | 0,912 | 1,13 | (0,000) | 1,34 | -50,90 | |
Captopril 25mg tabs | 4, Capoten | 0,044 | 0,014 | -0,117 | 0,071 | 0,016 | 0,365 | 2,09 | (0,000) | 2,31 | -5,07 |
60, Zapto | 0,006 | 0,308 | -0,628 | (0,000) | 0,005 | 0,394 | 0,84 | (0,000) | 0,87 | -72,52 | |
61, Capto-Hexal | -0,164 | (0,000) | -0,309 | 0,002 | 0,183 | (0,000) | 1,41 | (0,000) | 0,59 | -52,02 | |
62, Mylan-Captopril | -0,052 | (0,000) | -0,612 | (0,000) | 0,061 | (0,000) | 1,00 | (0,000) | 0,74 | -82,37 | |
Simvastatin 20mg tabs (63,64,65)* | 5, Zocor | -0,997 | 0,001 | -1,078 | 0,225 | 0,832 | 0,004 | 9,56 | (0,000) | 4,58 | -23,54 |
Amitriptyline 25mg tabs | 6, Tryptanol | 0,176 | (0,000) | -0,397 | (0,000) | -0,169 | (0,000) | 1,70 | (0,000) | 2,58 | -15,42 |
(68)* | 66, Trepiline | 0,115 | (0,000) | -0,715 | (0,000) | -0,094 | (0,000) | 0,66 | (0,000) | 1,23 | -57,94 |
67, Sandoz Amitripyline | 0,081 | (0,000) | -0,696 | (0,000) | -0,072 | (0,000) | 0,71 | (0,000) | 1,11 | -62,59 | |
Ciprofloxacin 500mg tabs | 7, Ciprobay | -1,028 | 0,002 | -5,113 | (0,000) | 1,560 | (0,000) | 18,21 | (0,000) | 13,07 | -39,12 |
(69,71)* | 70, Cifloc | -5,526 | (0,000) | 1,672 | (0,000) | 5,603 | (0,000) | 16,24 | (0,000) | -0,34 | -499,10 |
72, Cifran | -5,122 | (0,000) | 2,556 | 0,003 | 4,927 | (0,000) | 15,60 | (0,000) | 0,24 | 1078,48 | |
Co-Trimoxazole 8+40mg/ml syr | 8, Bactrim | 0,364 | (0,000) | -2,267 | (0,000) | -0,247 | (0,000) | 2,46 | (0,000) | 4,28 | -52,94 |
(75)* | 73, Purbac | 0,051 | (0,000) | -0,490 | (0,000) | -0,040 | (0,000) | 0,36 | (0,000) | 0,61 | -80,20 |
74, Cozole | 0,051 | (0,000) | -0,490 | (0,000) | -0,040 | (0,000) | 0,36 | (0,000) | 0,61 | -80,20 | |
76, Adco-Co-Trimoxazole | 0,057 | (0,000) | -0,426 | (0,000) | -0,053 | (0,000) | 0,32 | (0,000) | 0,61 | -70,30 | |
Amoxicillin 500mg caps | 9, Amoxil | 0,334 | (0,000) | -0,127 | 0,429 | -0,274 | 0,001 | 3,52 | (0,000) | 5,19 | -2,45 |
77, Moxymax | 0,062 | (0,000) | -1,331 | (0,000) | -0,051 | 0,001 | 1,36 | (0,000) | 1,67 | -79,56 | |
78, Betmox | 0,011 | 0,5 | -1,277 | (0,000) | 0,007 | 0,666 | 1,58 | (0,000) | 1,64 | -77,91 | |
79, Zoxil | 0,017 | 0,827 | -0,894 | 0,008 | -0,022 | 0,781 | 1,73 | (0,000) | 1,81 | -49,31 | |
Ceftriaxone 1g/vial inj | 10, Rocephin | 4,302 | 0,081 | -82,503 | (0,000) | -3,371 | 0,237 | 121,81 | (0,000) | 143,32 | -57,57 |
(80,81,82)* | 83, Aspen Ceftriaxone | 1,444 | 0,456 | -82,325 | (0,000) | -1,974 | 0,328 | 117,15 | (0,000) | 121,48 | -67,77 |
Diazepam 5mg | 11, Valium | 0,318 | (0,000) | -0,772 | (0,000) | -0,213 | (0,000) | 1,00 | (0,000) | 2,59 | -29,83 |
(86) | 84, Pax | 0,003 | 0,376 | -0,063 | (0,000) | 0,003 | 0,457 | 0,13 | (0,000) | 0,15 | -42,86 |
85, Betapam | 0,003 | 0,064 | -0,057 | (0,000) | 0,001 | 0,685 | 0,09 | (0,000) | 0,11 | -54,29 | |
Diclofenac 50mg tabs | 12, Voltaren | 0,063 | 0,013 | -0,209 | 0,025 | 0,021 | 0,373 | 1,16 | (0,000) | 1,48 | -14,17 |
(88)* | 87, Diclohexal | 0,071 | (0,000) | -1,002 | (0,000) | -0,053 | (0,000) | 1,05 | (0,000) | 1,41 | -71,32 |
89, Panamor | 0,043 | (0,000) | -1,119 | (0,000) | -0,032 | (0,000) | 1,16 | (0,000) | 1,38 | -81,15 | |
Paracetamol 25mg/ml syr | 13, Panado | 0,001 | 0,702 | -0,030 | 0,017 | 0,014 | (0,000) | 0,18 | (0,000) | 0,18 | -16,57 |
(91)* | 90, Napamol | 0,006 | 0,272 | -0,092 | (0,000) | -0,004 | 0,471 | 0,09 | (0,000) | 0,12 | -74,80 |
92, Painamol | 0,001 | 0,777 | -0,018 | 0,275 | 0,006 | 0,273 | 0,07 | (0,000) | 0,07 | -25,35 | |
93, Calpol | 0,012 | 0,15 | -0,037 | 0,22 | 0,002 | 0,782 | 0,14 | (0,000) | 0,20 | -18,50 | |
Omeprazole 20mg tabs(94,95,96)* | 14, Losec | -0,610 | 0,036 | 1,183 | 0,245 | 1,298 | (0,000) | 11,58 | (0,000) | 8,53 | 13,87 |
Notes
Int 1(Estimate in 2004) = Cons + (Trend X Years)
Statistically Significant (P<0,05) in BOLD
Global Core List with Data (Originals: 14, Generics: 29) = 43
Change in level = 36 (83,72%)
Change in slope = 28 (65,12%)
Global Core List with no data * = 17
Global Core List Total = 60