Research Article

Postmarketing Reevaluation of Chinese Traditional Therapy Kangbingdu Oral Liquid in the Treatment of the Common Cold

Table 1

Demographic characteristics and baseline data.

CharacteristicsKangbingdu liquid (n = 1986)Placebo (n = 661) value

Age, mean (SD)36.1 (14.90)36.1 (14.81)0.7105

Sex
 Female
 Male
893 (45.12%)
1086 (54.88%)
303 (45.84%)
358 (54.16%)
0.9106

Race0.2337
 Han1924 (96.88%)631 (95.46%)
 Others62 (3.12%)30 (4.54%)

Marriage0.7909
 Yes1081 (54.43%)361 (54.61%)
 No905 (45.57%)300 (45.39%)

Clinic diagnosis0.1080
 Common cold1857 (93.50%)616 (93.19%)
 Flu129 (6.50%)45 (6.81%)
 Highest body temperature37.1 ± 0.7336.9 ± 0.700.5693

Fever
 No1274 (64.15%)418 (63.24%)
 Yes712 (35.85%)243 (36.76%)

Time from cold to visit the doctor0.9682
 ≤ 24h1283 (64.60%)393 (59.46%)
 > 24h且 ≤ 48h703 (35.40%)268 (40.54%)

Influenza exposure in the week prior0.0639
 No1808 (91.04%)593 (89.71%)
 Yes178 (8.96%)68 (10.29%)

Influenza vaccinations0.5497
 No1698 (85.50%)561 (84.87%)
 Yes117 (5.89%)42 (6.35%)
 Total score, mean (SD)8.5 (4.59)8.4 (4.21)

Aversion to wind0.9626
 None1156 (58.21%)380 (57.49%)
 Slightly574 (28.90%)205 (31.01%)
 More clearly213 (10.73%)60 (9.08%)
 Severe43 (2.17%)16 (2.42%)

Aversion to cold0.9992
 None1074 (54.08%)357 (54.01%)
 Slightly602 (30.31%)202 (30.56%)
 More clearly261 (13.14%)85 (12.86%)
 Severe49 (2.47%)17 (2.57%)

Fever0.9433
 None1181 (59.47%)394 (59.61%)
 Slightly380 (19.13%)129 (19.52%)
 More clearly394 (19.84%)123 (18.61%)
 Severe31 (1.56%)15 (2.27%)

Cough0.1526
 None823 (41.44%)251 (37.97%)
 Slightly704 (35.45%)246 (37.22%)
 More clearly380 (19.13%)141 (21.33%)
 Severe79 (3.98%)23 (3.48%)

Stuffy nose
 None slightly
 More clearly
 Severe

668 (33.64%)
728 (36.66%)
520 (26.18%)
70 (3.52%)

246 (37.22%)
232 (35.10%)
164 (24.81%)
19 (2.87%)
0.1044

Runny nose0.5931
 None594 (29.91%)188 (28.44%)
 Slightly718 (36.15%)245 (37.07%)
 More clearly571 (28.75%)194 (29.35%)
 Severe103 (5.19%)34 (5.14%)

Sore throat0.5173
 None556 (28.00%)186 (28.14%)
 Slightly601 (30.26%)215 (32.53%)
 More clearly719 (36.20%)222 (33.59%)
 Severe110 (5.54%)38 (5.75%)

Muscle aches0.4802
 None1076 (54.18%)371 (56.13%)
 Slightly570 (28.70%)178 (26.93%)
 More clearly303 (15.26%)98 (14.83%)
 Severe37 (1.86%)14 (2.12%)

Headache0.4222
 None957 (48.19%)323 (48.87%)
 Slightly631 (31.77%)221 (33.43%)
 More clearly356 (17.93%)110 (16.64%)
 Severe42 (2.11%)7 (1.06%)

Fatigue0.5125
 None826 (41.59%)267 (40.39%)
 Slightly787 (39.63%)263 (39.79%)
 More clearly333 (16.77%)117 (17.70%)
 Severe40 (2.01%)14 (2.12%)

Sweat0.4521
 None1429 (71.95%)485 (73.37%)
 Slightly451 (22.71%)145 (21.94%)
 More clearly90 (4.53%)26 (3.93%)
 Severe16 (0.81%)5 (0.76%)

Total scores mean(95%CI)8.50 (8.30 to 8.70)8.42 (8.10 to 8.74)0.6777