DRUG: 3TC
 S: 880 (43.03)
 I: 13 (0.63)
 R: 1007 (49.24)
 SI: 133 (6.5)
 IR: 9 (0.44)
 SR: 3 (0.14)
    R I I S  => 3
DRUG: ABC
 S: 588 (28.75)
 I: 1 (0.04)
 R: 116 (5.67)
 SI: 629 (30.75)
 IR: 527 (25.77)
 SR: 184 (8.99)
    S I R R  => 103
    S I R I  => 40
    S I R S  => 19
    S R R R  => 10
    S I I R  => 6
    S R R I  => 3
    S R I I  => 2
    S I S R  => 1
DRUG: AZT
 S: 884 (43.22)
 I:  (0)
 R: 505 (24.69)
 SI: 157 (7.67)
 IR: 429 (20.97)
 SR: 70 (3.42)
    R I S R  => 36
    S I R I  => 28
    R S S R  => 6
DRUG: D4T
 S: 982 (48.01)
 I: 3 (0.14)
 R: 253 (12.37)
 SI: 133 (6.5)
 IR: 401 (19.6)
 SR: 273 (13.34)
    R I S I  => 217
    S I R I  => 41
    R I S R  => 9
    R S S I  => 5
    R I R S  => 1
DRUG: DDI
 S: 648 (31.68)
 I:  (0)
 R: 164 (8.01)
 SI: 682 (33.34)
 IR: 460 (22.49)
 SR: 91 (4.44)
    R I S I  => 61
    S I I R  => 12
    S R I I  => 7
    S I S R  => 4
    R I R S  => 3
    S R I R  => 2
    R R S I  => 1
    S R I S  => 1
DRUG: TDF
 S: 1126 (55.06)
 I:  (0)
 R: 6 (0.29)
 SI: 393 (19.21)
 IR: 508 (24.84)
 SR: 12 (0.58)
    R S I I  => 9
    R I R S  => 3

S : 5108 (41.62)

I : 17 (0.13)

R : 2051 (16.71)

SI : 2127 (17.33)

IR : 2334 (19.02)

SR : 633 (5.15)