Table 2

Trend in absolute numbers and percentages of AT, T and A
Study year P*
2002 2004 2006 2008 Total 2002-2008
AT
< 5 FEART without NRO 56 (2.3%) 47 (2.0%) 43 (1.8%) 44 (2.0%) 190 (2.0%) 0.539
< 5 FEART with NRO 855 (34.5%) 955 (41.3%) 914 (37.5%) 809 (36.1%) 3533 (37.3%) 1
≥ 5 FEART without NRO 344 (13.9%) 309 (13.4%) 268 (11.0%) 235 (10.5%) 1156 (12.2%) 0.010
≥ 5 FEART with NRO 990 (40.0%) 779 (33.7%) 984 (40.4%) 920 (41.0%) 3673 (38.8%) 0.637
GABHS infection 233 (9.4%) 223 (9.6%) 227 (9.3%) 234 (10.4%) 917 (9.7%) 0.553
Total AT 2478 2313 2436 2242 9469 0.307
(100%) (100%) (100%) (100%) (100%)
T
< 5 FEART without NRO 6 (4.3%) 24 (10.9%) 9 (4.8%) 3 (1.8%) 42 (5.9%) 0.605
< 5 FEART with NRO 9 (6.5%) 25 (11.3%) 23 (12.4%) 20 (11.8%) 77 (10.8%) 0.132
≥ 5 FEART without NRO 72 (52.2%) 106 (48.0%) 74 (39.8%) 71 (42.0%) 323 (45.2%) 0.109
≥ 5 FEART with NRO 40 (29.0%) 46 (20.8%) 58 (31.2%) 65 (38.5%) 209 (29.3%) 0.317
GABHS infection 11 (8.0%) 20 (9.0%) 22 (11.8%) 10 (5.9%) 63 (8.8%) 0.845
Total T 138 221 186 169 714 0.784
(100%) (100%) (100%) (100%) (100%)
Total AT+T 2616 (100%) 2534 2622 2411 10183 0.309
(100%) (100%) (100%) (100%) (100%)
A
< 5 FEART without NRO 285 (21.9%) 237 (20.4%) 293 (28.1%) 265 (24.6%) 1080 (23.5%) 0.373
< 5 FEART with NRO 379 (29.1%) 282 (24.3%) 254 (24.3%) 277 (25.7%) 1192 (26.0%) 0.508
≥ 5 FEART without NRO 25 (1.9%) 17 (1.5%) 9 (0.9%) 13 (1.2%) 64 (1.4%) 0.225
≥ 5 FEART with NRO 241 (18.5%) 259 (22.3%) 236 (22.6%) 211 (19.6%) 947 (20.6%) 0.592
NRO 373 (28.6%) 367 (31.6%) 252 (24.1%) 312 (28.9%) 1304 (28.4%) 0.689
Total A 1303 1162 1044 1078 4587 0.113
(100%) (100%) (100%) (100%) (100%)

AT = Adeno-Tonsillectomy; T = Tonsillectomy; A= Adenoidectomy; FEART = Feverish Episodes due to Acute Recurrent Tonsillitis; NRO = Nasal Respiratory Obstruction. GABHS = Group A β Hemolytic Streptococcus.

Motta et al.

Motta et al. BMC Ear, Nose and Throat Disorders 2013 13:1   doi:10.1186/1472-6815-13-1

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