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. 2013 Oct 25;347:f6041. doi: 10.1136/bmj.f6041

Table 1.

 Baseline characteristic of groups of patients with acute respiratory tract infections according to randomised treatment advice. Figures are numbers* (percentage) of patients unless otherwise specified

Paracetamol Ibuprofen Both Drug taken as required Drug taken regularly No steam Steam
Mean (SD) previous duration of illness (days) 8.0 (7.9) 7.3 (6.7) 7.2 (6.5) 7.4 (6.2) 7.6 (7.9) 7.4 (7.1) 7.6 (7.0)
Mean (SD) severity (all symptoms) 1.0 (0.44) 1.0 (0.46) 1.0 (0.44) 1.0 (0.44) 1.0 (0.46) 1.0 (0.45) 1.0 (0.44)
Fever in previous 24 hours 180/304 (59) 182/291 (62) 166/285 (58) 268/443 (61) 260/437 (60) 287/453 (63) 241/427 (56)
Lower respiratory infection (LRTI)† 38/263 (14) 47/260 (18) 50/254 (20) 70/388 (18) 65/389 (17) 65/401 (16) 70/376 (19)
Otitis media† 27/302 (9) 26/290 (9) 29/283 (10) 43/441 (10) 39/434 (9) 40/453 (9) 42/422 (10)
Previous lung problems 56/300 (19) 48/293 (16) 40/284 (14) 79/443 (18) 65/434 (15) 69/452 (15) 75/425 (18)
Sex (female) 195/304 (64) 185/291 (64) 160/285 (56) 269 /444 (61) 271/437 (62) 290/453 (64) 250/427 (59)
Current smoker 48/304 (16) 57/290 (20) 55/285 (19) 72/442 (16) 88/437 (20) 83/452 (18) 77/427 (18)
Mean (SD) age (years) 34 (21) 34 (21) 33 (22) 34 (21) 33 (22) 35 (21) 32 (22)

*Denominators vary because of missing data.

†LRTI and otitis media based on diagnosis/symptoms recorded by general practitioner in CRF=case report form.